opt: ctr

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/rank/view.dart

@@ -23,12 +23,6 @@ class _RankPageState extends State<RankPage>
         TabController(vsync: this, length: _rankController.tabs.length);
   }
 
-  @override
-  void dispose() {
-    _rankController.tabController.dispose();
-    super.dispose();
-  }
-
   @override
   Widget build(BuildContext context) {
     super.build(context);