Remove unfixable FIXME

There is a note in test_catalog.py saying that we should fix the
endpoint create status code from 200 OK to 201 Created.

This isn't allowed according to the API working group guidelines:
http://specs.openstack.org/openstack/api-wg/guidelines/evaluating_api_changes.html#evaluating-api-changes

Change-Id: Id52c61f119d4e9b1168ddc2d1ebc760fca1d640d

keystone/tests/unit/test_catalog.py

@@ -57,7 +57,7 @@ class V2CatalogTestCase(rest.RestfulTestCase):
                          adminurl='http://localhost:8080'):
         if service_id is SERVICE_FIXTURE:
             service_id = self.service_id
-        # FIXME(dolph): expected status should actually be 201 Created
+
         path = '/v2.0/endpoints'
         body = {
             'endpoint': {