Fix mobs playing a falling sound when dying from crit (#2425)

* Fix falling sound playing twice when dying

* But actually

Content.Server/GameObjects/Components/Mobs/State/CriticalState.cs

@@ -38,8 +38,6 @@ namespace Content.Server.GameObjects.Components.Mobs.State
 
         public override void ExitState(IEntity entity)
         {
-            EntitySystem.Get<StandingStateSystem>().Standing(entity);
-
             if (entity.TryGetComponent(out ServerOverlayEffectsComponent overlay))
             {
                 overlay.ClearOverlays();