Cleans up devicelab osx sdk module

Follow up of https://flutter-review.googlesource.com/c/recipes/+/43980 to remove the devicelab_osx_sdk module. Tree has been green for hours after the switch over.

Change-Id: I8bc89bb286e9f028922ac0e4aad4e315032a3c18
Bug: https://github.com/flutter/flutter/issues/117541
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/44001
Reviewed-by: Ricardo Amador <ricardoamador@google.com>
Commit-Queue: Keyong Han <keyonghan@google.com>
(cherry picked from commit 50a1cd0e3f5b0bdccaef52a144edbbfc88109f4e)
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/44604
Reviewed-by: Xilai Zhang <xilaizhang@google.com>
diff --git a/recipe_modules/devicelab_osx_sdk/__init__.py b/recipe_modules/devicelab_osx_sdk/__init__.py
deleted file mode 100644
index 79d9ba1..0000000
--- a/recipe_modules/devicelab_osx_sdk/__init__.py
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright 2018 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-DEPS = [
-    'recipe_engine/cipd',
-    'recipe_engine/context',
-    'recipe_engine/path',
-    'recipe_engine/platform',
-    'recipe_engine/step',
-]
-
-from recipe_engine.recipe_api import Property
-from recipe_engine.config import ConfigGroup, Single
-
-PROPERTIES = {
-    '$flutter/devicelab_osx_sdk': Property(
-    help='Properties specifically for the infra osx_sdk module.',
-    param_name='sdk_properties',
-    kind=ConfigGroup(  # pylint: disable=line-too-long
-      # XCode build version number. Internally maps to an XCode build id like
-      # '9c40b'. See
-      #
-      # https://chrome-infra-packages.appspot.com/p/flutter_internal/ios/xcode/mac/+/
-      #
-      # For an up to date list of the latest SDK builds.
-      sdk_version=Single(str),
-    ), default={},
-    )
-}
diff --git a/recipe_modules/devicelab_osx_sdk/api.py b/recipe_modules/devicelab_osx_sdk/api.py
deleted file mode 100644
index afce2c9..0000000
--- a/recipe_modules/devicelab_osx_sdk/api.py
+++ /dev/null
@@ -1,102 +0,0 @@
-# Copyright 2018 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""Functions to use fixed xcode installations.
-
-The cost of installing xcode from cold caches is prohibitely high for the
-Flutter Devicelab tasks. This module provide functions to use semi-hermetic
-Xcode installations pre-installed on Devicelab bots.
-
-XCode build version number. Internally maps to an XCode build id like '9c40b'.
-See:
-https://chrome-infra-packages.appspot.com/p/flutter_internal/ios/xcode/mac/+/
-for an up to date list of the latest SDK builds.
-"""
-
-from contextlib import contextmanager
-
-from recipe_engine import recipe_api
-
-
-class DevicelabOSXSDKApi(recipe_api.RecipeApi):
-  """API for using OS X SDK distributed via CIPD."""
-
-  def __init__(self, sdk_properties, *args, **kwargs):
-    super(DevicelabOSXSDKApi, self).__init__(*args, **kwargs)
-    self._sdk_properties = sdk_properties
-    self._sdk_version = None
-    self._tool_pkg = 'infra/tools/mac_toolchain/${platform}'
-    self._tool_ver = 'latest'
-
-  def initialize(self):
-    """Initializes xcode, and ios versions.
-
-    Versions are passed as recipe properties.
-    """
-    if not self.m.platform.is_mac:
-      return
-
-    if 'sdk_version' in self._sdk_properties:
-      self._sdk_version = self._sdk_properties['sdk_version'].lower()
-
-  @contextmanager
-  def __call__(self, kind):
-    """Sets up the XCode SDK environment.
-
-    Is a no-op on non-mac platforms.
-
-    This will deploy the helper tool and the XCode.app bundle at
-    `/opt/flutter/xcode/<version>`.
-
-    Usage:
-      with api.devicelab_osx_sdk('mac'):
-        # sdk with mac build bits
-
-      with api.devicelab_osx_sdk('ios'):
-        # sdk with mac+iOS build bits
-
-    Args:
-      kind ('mac'|'ios'): How the SDK should be configured. iOS includes the
-        base XCode distribution, as well as the iOS simulators (which can be
-        quite large).
-
-    Raises:
-        StepFailure or InfraFailure.
-    """
-    assert kind in ('mac', 'ios'), 'Invalid kind %r' % (kind,)
-    if not self.m.platform.is_mac:
-      yield
-      return
-
-    try:
-      with self.m.context(infra_steps=True):
-        app = '/opt/flutter/xcode/%s/XCode.app' % self._sdk_version
-        self._ensure_sdk(kind, app)
-        self.m.step('select XCode', ['sudo', 'xcode-select', '--switch', app])
-        self.m.step('list simulators', ['xcrun', 'simctl', 'list'])
-      yield
-    finally:
-      with self.m.context(infra_steps=True):
-        self.m.step('reset XCode', ['sudo', 'xcode-select', '--reset'])
-
-  def _ensure_sdk(self, kind, app):
-    """Ensures the mac_toolchain tool and OS X SDK packages are installed."""
-    tool_dir = self.m.path.mkdtemp().join('osx_sdk')
-    ef = self.m.cipd.EnsureFile()
-    ef.add_package(self._tool_pkg, self._tool_ver)
-    self.m.cipd.ensure(tool_dir, ef)
-    self.m.step(
-        'install xcode', [
-            tool_dir.join('mac_toolchain'),
-            'install',
-            '-kind',
-            kind,
-            '-xcode-version',
-            self._sdk_version,
-            '-output-dir',
-            app,
-            '-cipd-package-prefix',
-            'flutter_internal/ios/xcode',
-        ]
-    )
diff --git a/recipe_modules/devicelab_osx_sdk/examples/full.expected/explicit_version.json b/recipe_modules/devicelab_osx_sdk/examples/full.expected/explicit_version.json
deleted file mode 100644
index bf3b034..0000000
--- a/recipe_modules/devicelab_osx_sdk/examples/full.expected/explicit_version.json
+++ /dev/null
@@ -1,94 +0,0 @@
-[
-  {
-    "cmd": [
-      "cipd",
-      "ensure",
-      "-root",
-      "[CLEANUP]/tmp_tmp_1/osx_sdk",
-      "-ensure-file",
-      "infra/tools/mac_toolchain/${platform} latest",
-      "-max-threads",
-      "0",
-      "-json-output",
-      "/path/to/tmp/json"
-    ],
-    "infra_step": true,
-    "name": "ensure_installed",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output@{@@@",
-      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      {@@@",
-      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-latest----------\", @@@",
-      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/tools/mac_toolchain/resolved-platform\"@@@",
-      "@@@STEP_LOG_LINE@json.output@      }@@@",
-      "@@@STEP_LOG_LINE@json.output@    ]@@@",
-      "@@@STEP_LOG_LINE@json.output@  }@@@",
-      "@@@STEP_LOG_LINE@json.output@}@@@",
-      "@@@STEP_LOG_END@json.output@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "[CLEANUP]/tmp_tmp_1/osx_sdk/mac_toolchain",
-      "install",
-      "-kind",
-      "mac",
-      "-xcode-version",
-      "deadbeef",
-      "-output-dir",
-      "/opt/flutter/xcode/deadbeef/XCode.app",
-      "-cipd-package-prefix",
-      "flutter_internal/ios/xcode"
-    ],
-    "infra_step": true,
-    "name": "install xcode"
-  },
-  {
-    "cmd": [
-      "sudo",
-      "xcode-select",
-      "--switch",
-      "/opt/flutter/xcode/deadbeef/XCode.app"
-    ],
-    "infra_step": true,
-    "name": "select XCode"
-  },
-  {
-    "cmd": [
-      "xcrun",
-      "simctl",
-      "list"
-    ],
-    "infra_step": true,
-    "name": "list simulators"
-  },
-  {
-    "cmd": [
-      "gn",
-      "gen",
-      "out/Release"
-    ],
-    "name": "gn"
-  },
-  {
-    "cmd": [
-      "ninja",
-      "-C",
-      "out/Release"
-    ],
-    "name": "ninja"
-  },
-  {
-    "cmd": [
-      "sudo",
-      "xcode-select",
-      "--reset"
-    ],
-    "infra_step": true,
-    "name": "reset XCode"
-  },
-  {
-    "name": "$result"
-  }
-]
\ No newline at end of file
diff --git a/recipe_modules/devicelab_osx_sdk/examples/full.expected/linux.json b/recipe_modules/devicelab_osx_sdk/examples/full.expected/linux.json
deleted file mode 100644
index 5b0f352..0000000
--- a/recipe_modules/devicelab_osx_sdk/examples/full.expected/linux.json
+++ /dev/null
@@ -1,21 +0,0 @@
-[
-  {
-    "cmd": [
-      "gn",
-      "gen",
-      "out/Release"
-    ],
-    "name": "gn"
-  },
-  {
-    "cmd": [
-      "ninja",
-      "-C",
-      "out/Release"
-    ],
-    "name": "ninja"
-  },
-  {
-    "name": "$result"
-  }
-]
\ No newline at end of file
diff --git a/recipe_modules/devicelab_osx_sdk/examples/full.expected/mac.json b/recipe_modules/devicelab_osx_sdk/examples/full.expected/mac.json
deleted file mode 100644
index bf3b034..0000000
--- a/recipe_modules/devicelab_osx_sdk/examples/full.expected/mac.json
+++ /dev/null
@@ -1,94 +0,0 @@
-[
-  {
-    "cmd": [
-      "cipd",
-      "ensure",
-      "-root",
-      "[CLEANUP]/tmp_tmp_1/osx_sdk",
-      "-ensure-file",
-      "infra/tools/mac_toolchain/${platform} latest",
-      "-max-threads",
-      "0",
-      "-json-output",
-      "/path/to/tmp/json"
-    ],
-    "infra_step": true,
-    "name": "ensure_installed",
-    "~followup_annotations": [
-      "@@@STEP_LOG_LINE@json.output@{@@@",
-      "@@@STEP_LOG_LINE@json.output@  \"result\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"\": [@@@",
-      "@@@STEP_LOG_LINE@json.output@      {@@@",
-      "@@@STEP_LOG_LINE@json.output@        \"instance_id\": \"resolved-instance_id-of-latest----------\", @@@",
-      "@@@STEP_LOG_LINE@json.output@        \"package\": \"infra/tools/mac_toolchain/resolved-platform\"@@@",
-      "@@@STEP_LOG_LINE@json.output@      }@@@",
-      "@@@STEP_LOG_LINE@json.output@    ]@@@",
-      "@@@STEP_LOG_LINE@json.output@  }@@@",
-      "@@@STEP_LOG_LINE@json.output@}@@@",
-      "@@@STEP_LOG_END@json.output@@@"
-    ]
-  },
-  {
-    "cmd": [
-      "[CLEANUP]/tmp_tmp_1/osx_sdk/mac_toolchain",
-      "install",
-      "-kind",
-      "mac",
-      "-xcode-version",
-      "deadbeef",
-      "-output-dir",
-      "/opt/flutter/xcode/deadbeef/XCode.app",
-      "-cipd-package-prefix",
-      "flutter_internal/ios/xcode"
-    ],
-    "infra_step": true,
-    "name": "install xcode"
-  },
-  {
-    "cmd": [
-      "sudo",
-      "xcode-select",
-      "--switch",
-      "/opt/flutter/xcode/deadbeef/XCode.app"
-    ],
-    "infra_step": true,
-    "name": "select XCode"
-  },
-  {
-    "cmd": [
-      "xcrun",
-      "simctl",
-      "list"
-    ],
-    "infra_step": true,
-    "name": "list simulators"
-  },
-  {
-    "cmd": [
-      "gn",
-      "gen",
-      "out/Release"
-    ],
-    "name": "gn"
-  },
-  {
-    "cmd": [
-      "ninja",
-      "-C",
-      "out/Release"
-    ],
-    "name": "ninja"
-  },
-  {
-    "cmd": [
-      "sudo",
-      "xcode-select",
-      "--reset"
-    ],
-    "infra_step": true,
-    "name": "reset XCode"
-  },
-  {
-    "name": "$result"
-  }
-]
\ No newline at end of file
diff --git a/recipe_modules/devicelab_osx_sdk/examples/full.expected/win.json b/recipe_modules/devicelab_osx_sdk/examples/full.expected/win.json
deleted file mode 100644
index 5b0f352..0000000
--- a/recipe_modules/devicelab_osx_sdk/examples/full.expected/win.json
+++ /dev/null
@@ -1,21 +0,0 @@
-[
-  {
-    "cmd": [
-      "gn",
-      "gen",
-      "out/Release"
-    ],
-    "name": "gn"
-  },
-  {
-    "cmd": [
-      "ninja",
-      "-C",
-      "out/Release"
-    ],
-    "name": "ninja"
-  },
-  {
-    "name": "$result"
-  }
-]
\ No newline at end of file
diff --git a/recipe_modules/devicelab_osx_sdk/examples/full.py b/recipe_modules/devicelab_osx_sdk/examples/full.py
deleted file mode 100644
index f0b7f99..0000000
--- a/recipe_modules/devicelab_osx_sdk/examples/full.py
+++ /dev/null
@@ -1,33 +0,0 @@
-# Copyright 2018 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-DEPS = [
-  'flutter/devicelab_osx_sdk',
-  'recipe_engine/platform',
-  'recipe_engine/properties',
-  'recipe_engine/step',
-]
-
-
-def RunSteps(api):
-  with api.devicelab_osx_sdk('mac'):
-    api.step('gn', ['gn', 'gen', 'out/Release'])
-    api.step('ninja', ['ninja', '-C', 'out/Release'])
-
-
-def GenTests(api):
-  for platform in ('linux', 'mac', 'win'):
-    yield (api.test(platform) +
-           api.platform.name(platform) +
-           api.properties(**{'$flutter/devicelab_osx_sdk': {
-              'sdk_version': 'deadbeef',
-           }}))
-
-  yield api.test(
-      'explicit_version',
-      api.platform.name('mac'),
-      api.properties(**{'$flutter/devicelab_osx_sdk': {
-        'sdk_version': 'deadbeef',
-      }})
-  )