Since CRW 2.15 is now EOL (as of Sep 13 2022) it's time to deprecate (replaced by new images in DS 3.x).

https://comet.engineering.redhat.com/containers/repositories?filter=repoPath:workspaces&filter=releaseCategory:Generally%20Available&view=myVendorRepos
https://comet.engineering.redhat.com/containers/repositories?filter=repoPath:workspaces&filter=releaseCategory:Tech%20Preview&view=myVendorRepos

I spoke with speterso696 and he said we don't need to HIDE the images, just deprecate them and point to their replacements.