Updated openstack/openstack
Project: openstack/tempest  bf98eb7ba7a19d59034a00a2fd7b79f3a0de8c91

Remove not used server creation from test_server_rescue

test_server_rescue created a server in the setUpClass
 which is not in use in the current code base.

Change-Id: I9487ddf6db8fda5b5fe6aa3f8787b56b8c865cf5