devstack: don't add additional repositories
devstack: don't add additional repositories

The plain 42.2 distribution should be enough, so don't intermix
new dependencies. Also upgrade list of enabled services to match
the upstream tested list.

aspiers/automation,aspiers/automation,gosipyan/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation