private void deleteClass(Player player, String className) {
   PlayerClassManager pcm = PlayerClassManager.getInstance();
   if (pcm.getByName(className) == null) {
     MessageManager.messageRecipient(player, ChatColor.RED + "That class does not exist");
     return;
   }
   pcm.removeClass(className);
   MessageManager.messageRecipient(player, "Class successfully removed");
 }