/**
  * Delete user
  *
  * @param $id
  * @return bool
  */
 public function deleteById($id)
 {
     $user = $this->userRepo->findById($id);
     if ($user && $user->permission != 'admin') {
         $this->userRepo->delete($user);
         event(new UserWasDeleted($user));
         return true;
     }
     return false;
 }