Remove some redundant explicit NULL checks for pointers before ´delete´ or ´delete[]´ calls since this check is done implicitly when deleting.

Also fixes a memory leak in .reload creature_template command

--HG--
branch : trunk

src/server/game/DungeonFinding/LFGMgr.cpp

@@ -46,8 +46,7 @@ LFGQueue::~LFGQueue()
 
 void LFGQueue::AddToQueue(uint64 guid, LfgQueueInfo* pqInfo)
 {
-    if (LfgQueueInfo* qInfo = m_LfgQueue[guid])
-        delete qInfo;
+    delete m_LfgQueue[guid];
     m_LfgQueue[guid] = pqInfo;
     // ATM will only add it to the queue... No find group implementation... yet (on purpose)
 }