Revert "[shared_preferences] Add shared preferences devtool" (#8493)

Reverts #8322

See discussion in the PR; it needs to be re-landed with a bump to the `release` step's Flutter version to successfully publish.

CODEOWNERS

@@ -124,7 +124,3 @@ packages/local_auth/local_auth_windows/**                @cbracken
 packages/path_provider/path_provider_windows/**          @cbracken
 packages/shared_preferences/shared_preferences_windows/** @cbracken
 packages/url_launcher/url_launcher_windows/**            @cbracken
-
-# - DevTools extensions
-# @adsonpleal is the actual maintainer of shared_preferences_tool but is not yet a committer, so can't be listed as the owner.
-packages/shared_preferences/shared_preferences_tool/**  @tarrinneal

packages/shared_preferences/shared_preferences/CHANGELOG.md

@@ -1,7 +1,3 @@
-## 2.4.0
-
-* Adds shared preferences devtools extension.
-
 ## 2.3.5
 
 * Adds information about Android SharedPreferences support.

packages/shared_preferences/shared_preferences/lib/src/shared_preferences_async.dart

@@ -8,8 +8,6 @@ import 'package:flutter/foundation.dart';
 import 'package:shared_preferences_platform_interface/shared_preferences_async_platform_interface.dart';
 import 'package:shared_preferences_platform_interface/types.dart';
 
-import 'shared_preferences_devtools_extension_data.dart';
-
 /// Provides a persistent store for simple data.
 ///
 /// Data is persisted to and fetched from the disk asynchronously.
@@ -403,10 +401,3 @@ class SharedPreferencesWithCache {
     return _cacheOptions.allowList?.contains(key) ?? true;
   }
 }
-
-// Include an unused import to ensure this library is included
-// when running `flutter run -d chrome`.
-// Check this discussion for more info: https://github.com/flutter/packages/pull/6749/files/6eb1b4fdce1eba107294770d581713658ff971e9#discussion_r1755375409
-// ignore: unused_element
-final bool _fieldToKeepDevtoolsExtensionReachable =
-    fieldToKeepDevtoolsExtensionLibraryAlive;

packages/shared_preferences/shared_preferences/lib/src/shared_preferences_legacy.dart

@@ -8,8 +8,6 @@ import 'package:flutter/foundation.dart' show visibleForTesting;
 import 'package:shared_preferences_platform_interface/shared_preferences_platform_interface.dart';
 import 'package:shared_preferences_platform_interface/types.dart';
 
-import 'shared_preferences_devtools_extension_data.dart';
-
 /// Wraps NSUserDefaults (on iOS) and SharedPreferences (on Android), providing
 /// a persistent store for simple data.
 ///
@@ -287,10 +285,3 @@ Either update the implementation to support setPrefix, or do not call setPrefix.
     _completer = null;
   }
 }
-
-// Include an unused import to ensure this library is included
-// when running `flutter run -d chrome`.
-// Check this discussion for more info: https://github.com/flutter/packages/pull/6749/files/6eb1b4fdce1eba107294770d581713658ff971e9#discussion_r1755375409
-// ignore: unused_element
-final bool _fieldToKeepDevtoolsExtensionReachable =
-    fieldToKeepDevtoolsExtensionLibraryAlive;

packages/shared_preferences/shared_preferences/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for reading and writing simple key-value pairs.
   Wraps NSUserDefaults on iOS and SharedPreferences on Android.
 repository: https://github.com/flutter/packages/tree/main/packages/shared_preferences/shared_preferences
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+shared_preferences%22
-version: 2.4.0
+version: 2.3.5
 
 environment:
   sdk: ^3.5.0
@@ -40,7 +40,6 @@ dev_dependencies:
     sdk: flutter
   integration_test:
     sdk: flutter
-  path: ^1.9.0
 
 topics:
   - persistence