Delete launched `propertyEditorRefactors` feature flag (#9579)

diff --git a/packages/devtools_app/lib/src/shared/feature_flags.dart b/packages/devtools_app/lib/src/shared/feature_flags.dart
index 147454d..e15d825 100644
--- a/packages/devtools_app/lib/src/shared/feature_flags.dart
+++ b/packages/devtools_app/lib/src/shared/feature_flags.dart

@@ -85,14 +85,6 @@
     enabled: true,
   );
 
-  /// Flag to enable refactors in the Flutter Property Editor sidebar.
-  ///
-  /// https://github.com/flutter/devtools/issues/9214
-  static final propertyEditorRefactors = BooleanFeatureFlag(
-    name: 'propertyEditorRefactors',
-    enabled: true,
-  );
-
   /// A set of all the boolean feature flags for debugging purposes.
   ///
   /// When adding a new boolean flag, you are responsible for adding it to this
@@ -103,7 +95,6 @@
     devToolsExtensions,
     dapDebugging,
     inspectorV2,
-    propertyEditorRefactors,
   };
 
   /// A set of all the Flutter channel feature flags for debugging purposes.

diff --git a/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_controller.dart b/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_controller.dart
index 2be618e..684fae4 100644
--- a/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_controller.dart
+++ b/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_controller.dart

@@ -11,7 +11,6 @@
 import '../../../shared/analytics/constants.dart' as gac;
 import '../../../shared/editor/api_classes.dart';
 import '../../../shared/editor/editor_client.dart';
-import '../../../shared/feature_flags.dart';
 import '../../../shared/ui/filter.dart';
 import '../../../shared/utils/utils.dart';
 import 'property_editor_types.dart';
@@ -223,8 +222,7 @@
     CodeActionResult? refactorsResult;
     // TODO(https://github.com/flutter/devtools/issues/8652): Enable refactors
     // in the Property Editor by default.
-    if (editableArgsResult != null &&
-        FeatureFlags.propertyEditorRefactors.isEnabled) {
+    if (editableArgsResult != null) {
       // Fetch the refactors using the start of the editable arguments' range,
       // which corresponds to the widget constructor name. This ensures that the
       // refactors are always available, even when the cursor is within the

diff --git a/packages/devtools_app/test/shared/primitives/feature_flags_test.dart b/packages/devtools_app/test/shared/primitives/feature_flags_test.dart
index 6e79255..1ac9a1a 100644
--- a/packages/devtools_app/test/shared/primitives/feature_flags_test.dart
+++ b/packages/devtools_app/test/shared/primitives/feature_flags_test.dart

@@ -21,7 +21,6 @@
     expect(FeatureFlags.devToolsExtensions.isEnabled, isExternalBuild);
     expect(FeatureFlags.dapDebugging.isEnabled, false);
     expect(FeatureFlags.inspectorV2.isEnabled, true);
-    expect(FeatureFlags.propertyEditorRefactors.isEnabled, true);
   });
 
   group('FlutterChannelFeatureFlag', () {

diff --git a/packages/devtools_app/test/standalone_ui/ide_shared/property_editor/property_editor_test.dart b/packages/devtools_app/test/standalone_ui/ide_shared/property_editor/property_editor_test.dart
index adf33b1..1145e40 100644
--- a/packages/devtools_app/test/standalone_ui/ide_shared/property_editor/property_editor_test.dart
+++ b/packages/devtools_app/test/standalone_ui/ide_shared/property_editor/property_editor_test.dart

@@ -9,7 +9,6 @@
 import 'package:devtools_app/devtools_app.dart';
 import 'package:devtools_app/src/shared/analytics/constants.dart' as gac;
 import 'package:devtools_app/src/shared/editor/api_classes.dart';
-import 'package:devtools_app/src/shared/feature_flags.dart';
 import 'package:devtools_app/src/standalone_ui/ide_shared/property_editor/property_editor_controller.dart';
 import 'package:devtools_app/src/standalone_ui/ide_shared/property_editor/property_editor_refactors.dart';
 import 'package:devtools_app/src/standalone_ui/ide_shared/property_editor/property_editor_types.dart';
@@ -927,8 +926,6 @@
     );
 
     setUp(() {
-      FeatureFlags.propertyEditorRefactors.setEnabledForTests(true);
-
       refactorCount = 0;
       when(
         // ignore: discarded_futures, for mocking purposes.