revert tool changes

script/tool/lib/src/validators/version_and_changelog_validator.dart

diff --git a/script/tool/lib/src/validators/version_and_changelog_validator.dart b/script/tool/lib/src/validators/version_and_changelog_validator.dart
index 35d234a..58e79a1 100644
--- a/script/tool/lib/src/validators/version_and_changelog_validator.dart
+++ b/script/tool/lib/src/validators/version_and_changelog_validator.dart
@@ -108,10 +108,6 @@
   /// PR that would normally require one.
   static const String _missingChangelogChangeOverrideLabel = 'override: no changelog needed';
 
-  /// The label that must be on a PR to allow editing a CHANGELOG.md file for a
-  /// package that uses batch release (disallows direct CHANGELOG.md edits).
-  static const String _changelogEditOverrideLabel = 'override: allow changelog edit';
-
   /// Validates that the version and changelog of a package are consistent,
   /// and match the policy for the files changed, returning a list of resulting
   /// error strings.
@@ -623,26 +619,17 @@
 
     // The changelog.md and pubspec.yaml's version should not be updated directly.
     if (changedFilesInPackage.contains('$relativePackagePath/CHANGELOG.md')) {
-      if (_prLabels.contains(_changelogEditOverrideLabel)) {
-        _logWarning(
-          'Allowing CHANGELOG.md update due to the '
-          '"$_changelogEditOverrideLabel" label.',
-        );
-      } else {
-        printError(
-          'This package uses batch release, so CHANGELOG.md should not be changed directly.\n'
-          'Instead, create a pending changelog file in pending_changelogs folder.\n'
-          'See https://github.com/flutter/flutter/blob/main/docs/ecosystem/contributing/README.md#batched-release.',
-        );
-        errors.add('CHANGELOG.md changed');
-      }
+      printError(
+        'This package uses batch release, so CHANGELOG.md should not be changed directly.\n'
+        'Instead, create a pending changelog file in pending_changelogs folder.',
+      );
+      errors.add('CHANGELOG.md changed');
     }
     if (changedFilesInPackage.contains('$relativePackagePath/pubspec.yaml')) {
       if (versionState != _CurrentVersionState.unchanged) {
         printError(
           'This package uses batch release, so the version in pubspec.yaml should not be changed directly.\n'
-          'Instead, create a pending changelog file in pending_changelogs folder.\n'
-          'See https://github.com/flutter/flutter/blob/main/docs/ecosystem/contributing/README.md#batched-release.',
+          'Instead, create a pending changelog file in pending_changelogs folder.',
         );
         errors.add('pubspec.yaml version changed');
       }

script/tool/test/validate_command_version_test.dart

diff --git a/script/tool/test/validate_command_version_test.dart b/script/tool/test/validate_command_version_test.dart
index 0bcea19..7084d8e 100644
--- a/script/tool/test/validate_command_version_test.dart
+++ b/script/tool/test/validate_command_version_test.dart
@@ -1674,54 +1674,6 @@
         );
       });
 
-      test(
-        'ignores changelog modifications check with override: allow changelog edit label',
-        () async {
-          final RepositoryPackage package = createFakePackage(
-            'package',
-            packagesDir,
-            version: '1.0.0',
-          );
-          package.ciConfigFile.writeAsStringSync('''
-release:
-  batch: true
-''');
-          // Create the pending_changelogs directory so the test doesn't fail on that check.
-          package.directory.childDirectory('pending_changelogs').createSync();
-
-          gitProcessRunner.mockProcessesForExecutable['git-diff'] = <FakeProcessInfo>[
-            FakeProcessInfo(
-              MockProcess(
-                stdout: '''
-packages/package/CHANGELOG.md
-''',
-              ),
-            ),
-          ];
-          gitProcessRunner.mockProcessesForExecutable['git-show'] = <FakeProcessInfo>[
-            FakeProcessInfo(MockProcess(stdout: 'version: 1.0.0')),
-          ];
-
-          final List<String> output = await runCapturingPrint(runner, <String>[
-            'validate',
-            '--base-sha=main',
-            '--pr-labels=override: allow changelog edit',
-          ]);
-
-          expect(
-            output,
-            containsAllInOrder(<Matcher>[
-              contains('Running for package'),
-              contains(
-                'Allowing CHANGELOG.md update due to the '
-                '"override: allow changelog edit" label.',
-              ),
-              contains('(1 with warnings)'),
-            ]),
-          );
-        },
-      );
-
       test('fails when there is pubspec version modifications', () async {
         final RepositoryPackage package = createFakePackage(
           'package',