Removed check for enqueuing a chunk that is already enqueued to be loaded

This remaval is safe as cWorldStorage checks for duplicate chunks when dequeuing
and removes an expensive iteration whilst holding the queue lock

src/WorldStorage/WorldStorage.cpp

@@ -150,7 +150,7 @@ size_t cWorldStorage::GetSaveQueueLength(void)
 
 void cWorldStorage::QueueLoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, bool a_Generate)
 {
-	m_LoadQueue.EnqueueItemIfNotPresent(sChunkLoad(a_ChunkX, a_ChunkY, a_ChunkZ, a_Generate));
+	m_LoadQueue.EnqueueItem(sChunkLoad(a_ChunkX, a_ChunkY, a_ChunkZ, a_Generate));
 	m_Event.Set();
 }