dashboard: fix TypeError (unexpected keyword argument 'logger') in GroupCodeMixin

circle/dashboard/views/group.py

@@ -61,8 +61,7 @@ class GroupCodeMixin(object):
             state = StateCache(request.session)
             conf = get_config(None, request)
             client = Saml2Client(conf, state_cache=state,
-                                 identity_cache=IdentityCache(request.session),
-                                 logger=logger)
+                                 identity_cache=IdentityCache(request.session))
             subject_id = _get_subject_id(request.session)
             identity = client.users.get_identity(subject_id,
                                                  check_not_on_or_after=False)