Update FOSUserBundle.es.yml
Update FOSUserBundle.es.yml

The email variable does not longer exist in the  [checkEmailAction](https://github.com/FriendsOfSymfony/FOSUserBundle/blob/master/Controller/ResettingController.php#L125(
XWB/FOSUserBundle,FriendsOfSymfony/FOSUserBundle,XWB/FOSUserBundle