cull(engine-cleanup): pass-8 phase-2 cascade round 1 after GachaUI stub

SVSim.BattleEngine/Engine/MyPageMenu.cs

@@ -21,8 +21,6 @@ public class MyPageMenu : UIBase
     public static DialogBase CreateDialogForTutorial() => null;
 
     public void ChangeMenu(int index, bool isCutCardMotion = false) { }
-    public void FinishTutorialMode() { }
-    public void ResetFirstGuide() { }
     public void OnReadGift() { }
     public void SetGuideEffect(Transform parent, Vector3 localPosition, float rotation) { }
     public void SetGuideToOkOnlyDialog(DialogBase dialog) { }