bug#14967: 24.3.50; package-delete deletes by trashing?

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: agrambot@gmail.com,  lunaryorn@gmail.com,  monnier@iro.umontreal.ca,  
> 14967@debbugs.gnu.org,  npostavs@users.sourceforge.net
> Date: Mon, 12 Jun 2017 12:56:08 -0400
> 
> Eli Zaretskii wrote:
> 
> > Do you or did you ever use the trash facility?
> 
> No. But the people who do and commented in this report don't want it to
> apply to packages. So I think it's worth thinking, before adding a new
> option, if anyone actually wants the current behaviour.

Fine with me.  All I said was that if we do add a variable, it should
be a defcustom; defvar makes little sense to me.