Desactivation bundle SonataUser

app/AppKernel.php

             new Muzich\HomeBundle\MuzichHomeBundle(),
             new Muzich\MynetworkBundle\MuzichMynetworkBundle(),
             new Muzich\AdminBundle\MuzichAdminBundle(),
-            new Sonata\UserBundle\SonataUserBundle(),
         );
 
         if (in_array($this->getEnvironment(), array('dev', 'test'))) {