remove arena cooldowns and auras methods for mangos zero

PlayerMethods.h

@@ -3733,6 +3733,7 @@ namespace LuaPlayer
         return 0;
     }
 
+#if !defined(CLASSIC)
     /**
      * Remove cooldowns on spells that have less than 10 minutes of cooldown from the [Player], similarly to when you enter an arena.
      */
@@ -3741,6 +3742,7 @@ namespace LuaPlayer
         player->RemoveArenaSpellCooldowns();
         return 0;
     }
+#endif
 
     /**
      * Resurrects the [Player].