Revert "Add absl/numeric:bits to absl component"

This reverts commit 4ad9426348f24f6157c33e4024bd0af61d458444.

Reason for revert: Tree closure: https://ci.chromium.org/ui/p/chromium/builders/ci/mac-arm64-rel/6630/overview

Original change's description:
> Add absl/numeric:bits to absl component
>
> To allow it to be used by third_party code.
>
> Bug: None
> Change-Id: Ia9d46e37dd8a271b58bd0c607874d548745b3615
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3110185
> Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
> Commit-Queue: Danil Chapovalov <danilchap@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#913779}

Bug: None
Change-Id: I5bdf4d4566d9e1964552eb2f94852392995bddda
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3110967
Commit-Queue: Yi Gu <yigu@chromium.org>
Owners-Override: Yi Gu <yigu@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#913785}
NOKEYCHECK=True
GitOrigin-RevId: 9824bdf69be7780a8d73a42cb9719c046193dc3c

BUILD.gn

diff --git a/BUILD.gn b/BUILD.gn
index a1c2db4..9b45e3f 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -71,7 +71,6 @@
     "//third_party/abseil-cpp/absl/hash",
     "//third_party/abseil-cpp/absl/memory",
     "//third_party/abseil-cpp/absl/meta:type_traits",
-    "//third_party/abseil-cpp/absl/numeric:bits",
     "//third_party/abseil-cpp/absl/numeric:int128",
     "//third_party/abseil-cpp/absl/status",
     "//third_party/abseil-cpp/absl/status:statusor",
@@ -190,7 +189,6 @@
         "absl/hash:low_level_hash_test",
         "absl/memory:memory_test",
         "absl/meta:type_traits_test",
-        "absl/numeric:bits_test",
         "absl/status:statusor_test",
         "absl/strings:ascii_test",
         "absl/strings:cord_rep_btree_test",

absl/numeric/BUILD.gn

diff --git a/absl/numeric/BUILD.gn b/absl/numeric/BUILD.gn
index 397d8dd..6368869 100644
--- a/absl/numeric/BUILD.gn
+++ b/absl/numeric/BUILD.gn
@@ -15,17 +15,6 @@
   ]
 }
 
-absl_source_set("bits_test") {
-  testonly = true
-  sources = [ "bits_test.cc" ]
-  deps = [
-    ":bits",
-    "//third_party/abseil-cpp/absl/random",
-    "//third_party/googletest:gmock",
-    "//third_party/googletest:gtest",
-  ]
-}
-
 absl_source_set("int128") {
   sources = [
     "int128.cc",