Delete launched `wasmOptInSetting` feature flag (#9578)

diff --git a/packages/devtools_app/lib/src/framework/scaffold/settings_dialog.dart b/packages/devtools_app/lib/src/framework/scaffold/settings_dialog.dart
index 40b40f5..6bef59f 100644
--- a/packages/devtools_app/lib/src/framework/scaffold/settings_dialog.dart
+++ b/packages/devtools_app/lib/src/framework/scaffold/settings_dialog.dart

@@ -11,7 +11,6 @@
 import '../../shared/analytics/analytics_controller.dart';
 import '../../shared/analytics/constants.dart' as gac;
 import '../../shared/config_specific/copy_to_clipboard/copy_to_clipboard.dart';
-import '../../shared/feature_flags.dart';
 import '../../shared/globals.dart';
 import '../../shared/log_storage.dart';
 import '../../shared/server/server.dart';
@@ -77,23 +76,21 @@
               gaItem: gac.vmDeveloperMode,
             ),
           ),
-          if (FeatureFlags.wasmOptInSetting.isEnabled) ...[
-            const SizedBox(height: largeSpacing),
-            ...dialogSubHeader(theme, 'Experimental features'),
-            Flexible(
-              child: CheckboxSetting(
-                title: '[Recommended] Enable WebAssembly',
-                description:
-                    'This will trigger a reload of the page to load DevTools '
-                    'compiled with WebAssembly. This may yield better '
-                    'performance.',
-                notifier: preferences.wasmEnabled,
-                onChanged: preferences.toggleWasmEnabled,
-                gaScreen: gac.settingsDialog,
-                gaItem: gac.wasm,
-              ),
+          const SizedBox(height: largeSpacing),
+          ...dialogSubHeader(theme, 'Experimental features'),
+          Flexible(
+            child: CheckboxSetting(
+              title: '[Recommended] Enable WebAssembly',
+              description:
+                  'This will trigger a reload of the page to load DevTools '
+                  'compiled with WebAssembly. This may yield better '
+                  'performance.',
+              notifier: preferences.wasmEnabled,
+              onChanged: preferences.toggleWasmEnabled,
+              gaScreen: gac.settingsDialog,
+              gaItem: gac.wasm,
             ),
-          ],
+          ),
           const SizedBox(height: largeSpacing),
           ...dialogSubHeader(theme, 'Troubleshooting'),
           const _VerboseLoggingSetting(),

diff --git a/packages/devtools_app/lib/src/shared/feature_flags.dart b/packages/devtools_app/lib/src/shared/feature_flags.dart
index a135c57..147454d 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 the DevTools setting to opt-in to WASM.
-  ///
-  /// https://github.com/flutter/devtools/issues/7856
-  static final wasmOptInSetting = BooleanFeatureFlag(
-    name: 'wasmOptInSetting',
-    enabled: true,
-  );
-
   /// Flag to enable refactors in the Flutter Property Editor sidebar.
   ///
   /// https://github.com/flutter/devtools/issues/9214
@@ -111,7 +103,6 @@
     devToolsExtensions,
     dapDebugging,
     inspectorV2,
-    wasmOptInSetting,
     propertyEditorRefactors,
   };
 

diff --git a/packages/devtools_app/lib/src/shared/preferences/preferences.dart b/packages/devtools_app/lib/src/shared/preferences/preferences.dart
index eb9730a..d1ae1de 100644
--- a/packages/devtools_app/lib/src/shared/preferences/preferences.dart
+++ b/packages/devtools_app/lib/src/shared/preferences/preferences.dart

@@ -17,7 +17,6 @@
 import '../config_specific/logger/logger_helpers.dart';
 import '../constants.dart';
 import '../diagnostics/inspector_service.dart';
-import '../feature_flags.dart';
 import '../globals.dart';
 import '../primitives/query_parameters.dart';
 import '../server/server.dart';
@@ -122,9 +121,7 @@
     // Get the current values and listen for and write back changes.
     await _initDarkMode();
     await _initAdvancedDeveloperMode();
-    if (FeatureFlags.wasmOptInSetting.isEnabled) {
-      await _initWasmEnabled();
-    }
+    await _initWasmEnabled();
     await _initVerboseLogging();
 
     await cpuProfiler.init();

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 3939d55..6e79255 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.wasmOptInSetting.isEnabled, true);
     expect(FeatureFlags.propertyEditorRefactors.isEnabled, true);
   });