/**
* Deletes an existing AuthItem model.
* If deletion is successful, the browser will be redirected to the 'index' page.
*
* @param string $id
* @return mixed
*/
public function actionDelete($id)
{
$groupName = YiiForum::getGetValue('group');
$item = new Role();
$item->name = $id;
$this->auth->remove($item);
AuthItem::createCachedRoles();
return $this->redirect(['index', 'group' => $groupName]);
}
