bug#44598: [PATCH] Do not show obsolete options in customize

[Stefan Kangas]

"Basil L. Contovounesios" <contovob@tcd.ie> writes:

> Stefan Kangas <stefan@marxist.se> writes:
>
>> From 66221f1d0f7ee4f2af0d6c65fe956cce711b48e2 Mon Sep 17 00:00:00 2001
>> From: Stefan Kangas <stefan@marxist.se>
>> Date: Sat, 24 Oct 2020 19:44:20 +0200
>> Subject: [PATCH] Do not show obsolete options in customize
>>
>> * lisp/cus-edit.el (custom-variable-obsolete): Delete face.
>
> Perhaps it should be marked obsolete first?

It's not clear to me how this is supposed to work.  I see some patches
in the git log that just deletes them, and some that don't.

We also have `define-obsolete-face-alias' but no `make-obsolete-face'.