Fix .fixtures.yml for openstack module unit tests
Fix .fixtures.yml for openstack module unit tests

Most of all OpenStack modules were removed from fuel-library
and .fixtures.yml of 'openstack' module wasn't updated according
these changes. That's why unit tests were failing on 'openstack' module.

Change-Id: I845fa8ec9f8f5b0c5d80ba4c8b595d0ded2bc556
Closes-bug: #1503238

ddepaoli3/fuel-library-dev,xarses/fuel-library,xarses/fuel-library,ddepaoli3/fuel-library-dev,stackforge/fuel-library,ddepaoli3/fuel-library-dev,eayunstack/fuel-library,huntxu/fuel-library,ddepaoli3/fuel-library-dev,huntxu/fuel-library,xarses/fuel-library,eayunstack/fuel-library,huntxu/fuel-library,stackforge/fuel-library,xarses/fuel-library,huntxu/fuel-library,stackforge/fuel-library,eayunstack/fuel-library,eayunstack/fuel-library,eayunstack/fuel-library,stackforge/fuel-library,ddepaoli3/fuel-library-dev,huntxu/fuel-library