Updated openstack/openstack
Project: openstack/keystone  7f52036bd4dd1b8d911d56d3019fc9d8a7337d64

Remove XML support

XML support has been deprecated for the last two releases, staged to be
removed in Kilo.

implements bp removed-as-of-kilo
Closes-Bug: #1384382
Closes-Bug: #1384789

Change-Id: I95761267b6c0f3052bc52deda6d56fc4b713ea6b