TT#69370 - Remove validation of SIP URI type for banned users id's

* Removed restriction that would cause an error
           when trying to get/delete a bannedusers entry
           that had a different format than 'user@domain.com'

Change-Id: Ie3a5fa80b888d97bf4a34a8ad9a65514699ef77e

lib/NGCP/Panel/Role/API/BannedUsers.pm

@@ -24,9 +24,7 @@ sub get_item_id{
 
 sub valid_id {
     my ($self, $c, $id) = @_;
-    return 1 if $id=~/^[^@]+@[^@]+$/;
-    $self->error($c, HTTP_BAD_REQUEST, "Invalid id in request URI. Should be an ip address.");
-    return;
+    return 1;
 }
 
 sub item_by_id{