actually fix timestop persisting thru level exit

Author: vitellaryjr

Code/VitModule.cs

@@ -617,6 +617,7 @@ private void Level_End(On.Celeste.Level.orig_End orig, Level self)
             TimeCrystal.stopTimer = 0f;
             TimeCrystal.stopStage = 0;
             timeStopScaleTimer = 0f;
+            useTimeStopDelta = false;
             CoyoteBounceTrigger.CoyoteTriggerInside = null;
             orig(self);
         }