#765 Replace Utils usages with TeleportService + misc householding

- Remove some legacy settings
- Move Utils "addNormal" method to AuthGroupHandler

(Reapplied changes from orphaned fe29089)

src/main/java/fr/xephi/authme/command/executable/authme/UnregisterAdminCommand.java

@@ -13,6 +13,7 @@ import fr.xephi.authme.settings.properties.RegistrationSettings;
 import fr.xephi.authme.settings.properties.RestrictionSettings;
 import fr.xephi.authme.task.LimboPlayerTaskManager;
 import fr.xephi.authme.util.BukkitService;
+import fr.xephi.authme.util.TeleportationService;
 import fr.xephi.authme.util.Utils;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
@@ -50,6 +51,9 @@ public class UnregisterAdminCommand implements ExecutableCommand {
     @Inject
     private AuthGroupHandler authGroupHandler;
 
+    @Inject
+    private TeleportationService teleportationService;
+
 
     @Override
     public void executeCommand(final CommandSender sender, List<String> arguments) {
@@ -93,8 +97,7 @@ public class UnregisterAdminCommand implements ExecutableCommand {
      * @param target the player that was unregistered
      */
     private void applyUnregisteredEffectsAndTasks(Player target) {
-        // TODO #765: Remove use of Utils method and behave according to settings
-        Utils.teleportToSpawn(target);
+        teleportationService.teleportOnJoin(target);
 
         limboCache.addLimboPlayer(target);
         limboPlayerTaskManager.registerTimeoutTask(target);