chore: further cleanup

InfiniteGP/MU3.User/patch_UserManager.cs

@@ -1,6 +1,4 @@
-#pragma warning disable CS0626
-#pragma warning disable CS0649
-#pragma warning disable IDE0051
+#pragma warning disable CS0649
 #pragma warning disable IDE1006
 
 namespace MU3.User;

SkipPreMusicRitual/MU3.Battle/patch_BattleCamera.cs

@@ -1,8 +0,0 @@
-
-using MU3.Battle;
-
-public class patch_BattleCamera: BattleCamera {
-    private void Enter_StartCutscene() {
-        setNextState(EState.ToPlay);
-    }
-}