Updated openstack/openstack
Project: openstack/neutron  23446ae9e0d12a3b09b0f80a9bc301a1f8e20bce

Cleanup req_format in test_api_v2_resource

Since XML support has been removed test cases in test_api_v2_resource
no longer need to specify req_format.

Change-Id: Ic6572abc3121535e19d21e9a34d70bb42b9782de
Related-Bug: #1380787