bug#33005: 27.0.50; Data loss with Gnus registry

[Eli Zaretskii]

> From: Eric Abrahamsen <eric@ericabrahamsen.net>
> Date: Wed, 10 Oct 2018 16:05:50 -0700
> Cc: 33005@debbugs.gnu.org
> 
> I don't see any reason not to remove the `cdr', and will do so unless
> someone objects cogently, soon.

I see you already did, and on the emacs-26 branch.  Please in the
future ask about commits to the release branch.

Thanks.