crowbar-prep.sh: avoid hardcoding repo name in multiple places
crowbar-prep.sh: avoid hardcoding repo name in multiple places

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