bug#31107: 26.0.91; insert-file-contents-literally's doc indicates insert-file-contents runs find-file-hook, but it seems untrue

[Eli Zaretskii]

> From: Xu Chunyang <mail@xuchunyang.me>
> Date: Mon, 09 Apr 2018 16:23:11 +0800
> 
> 'C-h S insert-file-contents-literally' indicates 'insert-file-contents'
> runs 'find-file-hook'
> 
>     -- Function: insert-file-contents-literally filename &optional visit
>              beg end replace
>         This function works like ‘insert-file-contents’ except that it does
>         not run ‘find-file-hook’, 
> 
> However, 'insert-file-contents' doesn't run 'find-file-hook'.

Whoever wrote that meant after-insert-file-functions.  I fixed that,
thanks.