Bug#1003653: Revision of removal of rename.ul from package util-linux

[Christoph Berg]

Re: Chris Hofstaedtler
> Then all of this is a completely pointless exercise. Either we break
> them, or it is favorable to keeping the way things are:
> 
> A very valid way of closing this discussion is saying "our
> (Perl) /usr/bin/rename is great, people should use that".

We seem to all agree that renaming the different rename
implementations is not helpful now, but there is still the original
question if ul's rename.ul could be put back to where it was before
the bullseye release. In the same package or a separate one.

Christoph