revert: remove enqueueing the monster spawn (#197)

Signed-off-by: Utku Korkmaz <uutkukorkmaz@gmail.com>

src/Executables/Game/World/Map.cs

@@ -328,12 +328,7 @@ private MonsterEntity SpawnMonster(uint id, SpawnPoint spawnPoint)
                 monster.Rotation = RandomNumberGenerator.GetInt32(0, 360);
             }
 
-            EventSystem.EnqueueEvent(() =>
-            {
-                _world.SpawnEntity(monster);
-                return 0;
-            }, spawnPoint.RespawnTime * 1000);
-
+            _world.SpawnEntity(monster);
             return monster;
         }