/**
  * @Route("/remove/{provider}", name="provider_remove")
  * @param Provider $provider
  * @ParamConverter("provider", class="AppBundle:Provider")
  * @return Response
  */
 public function removeAction(Request $request, Provider $provider)
 {
     if ($provider->isRemovable()) {
         $em = $this->getDoctrine()->getEntityManager();
         $em->remove($provider);
         $em->flush();
     }
     return $this->redirect($this->generateUrl('provider_list'));
 }