Updated openstack/openstack
Project: openstack/tempest  3eeb857f1f29f731b21332c14f882960ec4e4ba9
null
Rip out the coverage extension client from tempest

The extension has been removed from nova so there is no reason to
keep the tempest side code around.

Change-Id: I780028729b71c130a16d23e783f3a12c620b784a