Don't purge users if unable to load permission data

src/main/java/fr/xephi/authme/task/purge/PurgeTask.java

@@ -3,6 +3,7 @@ package fr.xephi.authme.task.purge;
 import fr.xephi.authme.ConsoleLogger;
 import fr.xephi.authme.permission.PermissionsManager;
 import fr.xephi.authme.permission.PlayerStatePermission;
+import fr.xephi.authme.permission.handlers.PermissionLoadUserException;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.OfflinePlayer;
@@ -73,10 +74,9 @@ class PurgeTask extends BukkitRunnable {
 
             OfflinePlayer offlinePlayer = offlinePlayers[nextPosition];
             if (offlinePlayer.getName() != null && toPurge.remove(offlinePlayer.getName().toLowerCase())) {
-                try {
-                    permissionsManager.loadUserData(offlinePlayer.getUniqueId());
-                } catch (NoSuchMethodError e) {
-                    permissionsManager.loadUserData(offlinePlayer.getName());
+                if(!permissionsManager.loadUserData(offlinePlayer)) {
+                    ConsoleLogger.warning("Unable to check if the user " + offlinePlayer.getName() + " can be purged!");
+                    continue;
                 }
                 if (!permissionsManager.hasPermissionOffline(offlinePlayer, PlayerStatePermission.BYPASS_PURGE)) {
                     playerPortion.add(offlinePlayer);