Updated openstack/openstack
Project: openstack/requirements  8078ba7f42630db8d40c15138057724a87b20db9
null
Revert "add mirror requirements list"

This reverts commit b1101620fc0ba1938708b2e93f529341a016f0ae.

The new thinking is that hacking itself should enforce that the
three hacking requirements are not in project's test requirements.

Change-Id: I7167968c272552838985fe8b9241549abae0da18