/**
  * Removes a setting.
  *
  * @param Setting $setting
  */
 public function remove(Setting $setting)
 {
     $this->repo->remove($setting->getId());
     $this->manager->flush();
     $this->manager->refresh();
     $this->eventDispatcher->dispatch('ongr_settings.setting_change', new SettingChangeEvent('delete'));
 }