Correctly remove SP1 repos before upgrading to SP2
Correctly remove SP1 repos before upgrading to SP2

The repo aliases have been changed recently by
https://github.com/SUSE-Cloud/automation/commit/7310b5cc2e7e87144a124b639603701af0e81386

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