We still serve some obsoleted, unmaintained docker images in our registry. This is wrong and potentially exposes users of those to unpatched vulnerabilities.
We should sunset and remove all such images.
To this end we need a simple cli tool to remove images (and specific tags) from the registry. -> https://wikitech.wikimedia.org/wiki/Docker#Deleting_an_image_(from_registry)
We will then need to list and confirm removal of such images in this task.