Remove ML_SUGGESTED_EDIT_V2 flag

It's already rollout to 100% for several months.

Release-Notes: skip
Change-Id: Ib230af695a8906036cc0c7c187703a5b58a4f97b
diff --git a/polygerrit-ui/app/elements/settings/gr-preferences/gr-preferences.ts b/polygerrit-ui/app/elements/settings/gr-preferences/gr-preferences.ts
index c97a036..a65c8a4 100644
--- a/polygerrit-ui/app/elements/settings/gr-preferences/gr-preferences.ts
+++ b/polygerrit-ui/app/elements/settings/gr-preferences/gr-preferences.ts
@@ -124,15 +124,13 @@
       () => this.getConfigModel().docsBaseUrl$,
       docsBaseUrl => (this.docsBaseUrl = docsBaseUrl)
     );
-    if (this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2)) {
-      subscribe(
-        this,
-        () => this.getPluginLoader().pluginsModel.suggestionsPlugins$,
-        // We currently support results from only 1 provider.
-        suggestionsPlugins =>
-          (this.suggestionsProvider = suggestionsPlugins?.[0]?.provider)
-      );
-    }
+    subscribe(
+      this,
+      () => this.getPluginLoader().pluginsModel.suggestionsPlugins$,
+      // We currently support results from only 1 provider.
+      suggestionsPlugins =>
+        (this.suggestionsProvider = suggestionsPlugins?.[0]?.provider)
+    );
   }
 
   static override get styles() {
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
index b55c9fd..7a3b7ec 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment.ts
@@ -436,32 +436,29 @@
         this.autocompleteComment();
       }
     );
-    if (this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2)) {
-      subscribe(
-        this,
-        () =>
-          this.generateSuggestionTrigger$.pipe(
-            debounceTime(GENERATE_SUGGESTION_DEBOUNCE_DELAY_MS)
-          ),
-        () => {
-          this.generateSuggestEdit();
+    subscribe(
+      this,
+      () =>
+        this.generateSuggestionTrigger$.pipe(
+          debounceTime(GENERATE_SUGGESTION_DEBOUNCE_DELAY_MS)
+        ),
+      () => {
+        this.generateSuggestEdit();
+      }
+    );
+    subscribe(
+      this,
+      () => this.getUserModel().preferences$,
+      prefs => {
+        this.autocompleteEnabled = !!prefs.allow_autocompleting_comments;
+        if (
+          this.generateSuggestion !==
+          !!prefs.allow_suggest_code_while_commenting
+        ) {
+          this.generateSuggestion = !!prefs.allow_suggest_code_while_commenting;
         }
-      );
-      subscribe(
-        this,
-        () => this.getUserModel().preferences$,
-        prefs => {
-          this.autocompleteEnabled = !!prefs.allow_autocompleting_comments;
-          if (
-            this.generateSuggestion !==
-            !!prefs.allow_suggest_code_while_commenting
-          ) {
-            this.generateSuggestion =
-              !!prefs.allow_suggest_code_while_commenting;
-          }
-        }
-      );
-    }
+      }
+    );
   }
 
   override connectedCallback() {
@@ -1150,7 +1147,6 @@
   // private but used in test
   showGeneratedSuggestion() {
     return (
-      this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2) &&
       this.suggestionsProvider &&
       this.editing &&
       !this.permanentEditingMode &&
@@ -1224,14 +1220,8 @@
               if (this.generateSuggestion) {
                 this.generateSuggestionTrigger$.next();
               } else {
-                if (
-                  this.flagsService.isEnabled(
-                    KnownExperimentId.ML_SUGGESTED_EDIT_V2
-                  )
-                ) {
-                  this.generatedFixSuggestion = undefined;
-                  this.autoSaveTrigger$.next();
-                }
+                this.generatedFixSuggestion = undefined;
+                this.autoSaveTrigger$.next();
               }
               this.reporting.reportInteraction(
                 this.generateSuggestion
@@ -1240,9 +1230,7 @@
               );
             }}
           />
-          ${this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2)
-            ? 'Attach AI-suggested fix'
-            : 'Generate Suggestion'}
+          Attach AI-suggested fix
           ${when(
             this.suggestionLoading,
             () => html`<span class="loadingSpin"></span>`,
@@ -1278,13 +1266,7 @@
     }
   }
 
-  private generateSuggestEdit() {
-    if (this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2)) {
-      this.generateSuggestEdit_v2();
-    }
-  }
-
-  private async generateSuggestEdit_v2() {
+  private async generateSuggestEdit() {
     const suggestionsProvider = this.suggestionsProvider;
     const changeInfo = this.getChangeModel().getChange();
     if (
@@ -1854,8 +1836,6 @@
   }
 
   getFixSuggestions(): FixSuggestionInfo[] | undefined {
-    if (!this.flagsService.isEnabled(KnownExperimentId.ML_SUGGESTED_EDIT_V2))
-      return undefined;
     if (!this.generateSuggestion) return undefined;
     if (!this.generatedFixSuggestion) return undefined;
     // Disable fix suggestions when the comment already has a user suggestion
diff --git a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.ts b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.ts
index 7292c64..fe19d9b 100644
--- a/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.ts
+++ b/polygerrit-ui/app/elements/shared/gr-comment/gr-comment_test.ts
@@ -48,7 +48,6 @@
   CommentsModel,
   commentsModelToken,
 } from '../../../models/comments/comments-model';
-import {KnownExperimentId} from '../../../services/flags/flags';
 import {GrSuggestionDiffPreview} from '../gr-suggestion-diff-preview/gr-suggestion-diff-preview';
 
 suite('gr-comment tests', () => {
@@ -1005,11 +1004,6 @@
         },
       ],
     };
-    setup(async () => {
-      stubFlags('isEnabled')
-        .withArgs(KnownExperimentId.ML_SUGGESTED_EDIT_V2)
-        .returns(true);
-    });
 
     test('renders suggestions in comment', async () => {
       const comment = {
diff --git a/polygerrit-ui/app/services/flags/flags.ts b/polygerrit-ui/app/services/flags/flags.ts
index 0bf3c97..750b421 100644
--- a/polygerrit-ui/app/services/flags/flags.ts
+++ b/polygerrit-ui/app/services/flags/flags.ts
@@ -19,7 +19,6 @@
   CHECKS_DEVELOPER = 'UiFeature__checks_developer',
   PUSH_NOTIFICATIONS_DEVELOPER = 'UiFeature__push_notifications_developer',
   PUSH_NOTIFICATIONS = 'UiFeature__push_notifications',
-  ML_SUGGESTED_EDIT_V2 = 'UiFeature__ml_suggested_edit_v2',
   REVISION_PARENTS_DATA = 'UiFeature__revision_parents_data',
   COMMENT_AUTOCOMPLETION = 'UiFeature__comment_autocompletion_enabled',
   SAVE_PROJECT_CONFIG_FOR_REVIEW = 'UiFeature__save_project_config_for_review',