Remove unused retag-gdk-image CI job

David Dieulivolrequested to merge
remove-retag-gdk-image-job into master

Summary

  • Removes the retag-gdk-image CI job which is no longer used
  • Removes associated rule .build-images:rules:retag-gdk-image
  • Removes optional dependency from build-gdk-image job

Related

Part of CI cleanup efforts.

Merge request reports