wip(backend): remove access restrictions if known domain

issue #916

lib/Ravada/Domain.pm

@@ -1171,6 +1171,11 @@ sub _remove_domain_cascade($self,$user, $cascade = 1) {
         my $domain = $vm->search_domain($domain_name) or next;
         $domain->remove($user, $cascade);
     }
+    return if !$self->{_data}->{id};
+    my $sth = $$CONNECTOR->dbh->prepare("DELETE FROM access_ldap_attribute"
+        ." WHERE id_domain=?");
+    $sth->execute($self->id);
+    $sth->finish;
 }
 
 sub _remove_domain_db {