bug#55862: Removing indent-tabs-mode set to t by default

[Eli Zaretskii]

> Date: Thu, 09 Jun 2022 14:21:33 +0000
> From: goncholden <goncholden@protonmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, 55862@debbugs.gnu.org
> 
> This has been a continual problem with emacs as it mostly caters for 
> passed-over old folks stuck in the eigthies.

The crowd of youngsters from 2020s are welcome to come aboard in their
masses and take over from the old farts.