Remove unneeded query for renaming characters that are online, this is handled perfectly with the Player::SetAtLoginFlag and Player::SaveToDB functions already.

--HG--
branch : trunk

src/game/Level2.cpp

@@ -3102,7 +3102,6 @@ bool ChatHandler::HandleRenameCommand(const char* args)
     {
         PSendSysMessage(LANG_RENAME_PLAYER, target->GetName());
         target->SetAtLoginFlag(AT_LOGIN_RENAME);
-        CharacterDatabase.PExecute("UPDATE characters SET at_login = at_login | '1' WHERE guid = '%u'", target->GetGUIDLow());
     }
     else
     {