public function removeAction($name)
    {
        /* @var \Google_Client $client */
        $clientProvider = $this->get('happyr.google_site_authenticator.client_provider');
        $clientProvider->setAccessToken(null, $name);

        $this->get('session')->getFlashbag()->add('msg', 'Token was removed.');

        return $this->redirect($this->generateUrl('happyr.google_site_authenticator.index'));
    }