bug#27427: 26.0.50; Native line numbers lead to display error in company-mode popup

[Eli Zaretskii]

> Date: Thu, 06 Jul 2017 09:08:13 +0200
> From: martin rudalics <rudalics@gmx.at>
> CC: dgutov@yandex.ru, alexanderm@web.de, 27427@debbugs.gnu.org
> 
>  > This hook ws introduced for linum.el, but linum.el as added to Emacs
>  > never used it.  We should delete the hook and any references to it in
>  > the manuals.
> 
> The attached patch tries to restore the state before its introduction.

Thanks.

Are the rearrangements necessary, or just out of aesthetic feelings?
If the latter, I'd prefer not to rearrange, as that makes forensics a
tad harder.

Otherwise, fine with me; please push.