Stop downloading the cloud iso twice
Stop downloading the cloud iso twice

On every admin node setup, it was fetching the iso once via
the static link and once via the BuildXXXX link due to a greedy
wildcard. Reduce download overhead for remote workers by avoiding
that.

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