bug#31737: 26.1.50; Gnus does not use mailutils movemail

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: m43cap@yandex.com,  31737@debbugs.gnu.org
> Date: Mon, 11 Jun 2018 23:47:12 +0200
> 
> Are we sure enough that '--emacs' is not needed?

I don't know.  I don't use Gnus, and I don't really know what that
option in Mailutils does.  If someone here can explain what it does,
we can make the decision; otherwise, we will leave Gnus to its
devices.