修复按一下召唤两次的问题

ActionTowerDefense/Assets/Scripts/PlayerController.cs

@@ -624,16 +624,6 @@ public class PlayerController : MoveCharacter
 
                 CheckTurn();
                 Summon(cacheSummonId);
-                switch (cacheSummonId)
-                {
-                    case 0:
-                        break;
-                    case 1:
-                        break;
-                    case 2:
-                        break;
-                }
-                Summon(cacheSummonId);
                 return true;
             }
         }