Fixed FS-93

- Players no longer need to relog, just need to be opped to get permissions.
- Removed redundant PlayerJoinEvent code as it's already been executed (See RankManager class).

src/main/java/me/totalfreedom/totalfreedommod/permissions/PermissionManager.java

@@ -117,10 +117,4 @@ public class PermissionManager extends FreedomService
             setPermissions(player);
         }
     }
-
-    @EventHandler(priority = EventPriority.NORMAL)
-    public void onPlayerJoin(PlayerJoinEvent event)
-    {
-        setPermissions(event.getPlayer());
-    }
 }