Remove sles12 GA repos for Cloud 6.x
Remove sles12 GA repos for Cloud 6.x

Should be completely unused meanwhile.

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