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/Globals/ObjectMgr.cpp

@@ -3419,7 +3419,7 @@ void ObjectMgr::LoadGuilds()
             !newGuild->LoadMembersFromDB(guildMembersResult) ||
             !newGuild->LoadBankRightsFromDB(guildBankTabRightsResult) ||
             !newGuild->CheckGuildStructure()
-)
+            )
         {
             newGuild->Disband();
             delete newGuild;