Merge pull request #31914 from overleaf/ab-cleanup-writefull-frontend-migration-flag

Remove unused writefull-frontend-migration feature flag

GitOrigin-RevId: 73343a9749ab844a55381c6b8be9e3d3aa1b732b

services/web/app/src/Features/Project/ProjectController.mjs

@@ -455,7 +455,6 @@ const _ProjectController = {
       'word-count-client',
       'editor-popup-ux-survey-03-2026',
       'editor-redesign-new-users',
-      'writefull-frontend-migration',
       'chat-edit-delete',
       'ai-workbench-release',
       'compile-timeout-target-plans',