private function deletePictureProfile()
 {
     $resAjax = new Response_Ajax();
     $id_user = Helper_App_Session::getUserId();
     $oBus = Business_App_User_Profile::unLinkPictureProfile($id_user);
     $resAjax->isSuccess($oBus->isSuccess());
     $resAjax->message($oBus->isSuccess() ? 'Imagen Eliminada con Exito' : $oBus->message());
     $resAjax->data($oBus->data());
     echo $resAjax->toJsonEncode();
 }