bug#65819: 29.1; Incorrect description about return value

[Eli Zaretskii]

> From: Ikumi Keita <ikumi@ikumi.que.jp>
> Date: Fri, 08 Sep 2023 19:10:55 +0900
> 
> 
> The elisp reference info node `(elisp) Motion by Indent' states that
> `backward-to-indentation' and `forward-to-indentation' return nil.
> However, they actually return non-nil value.
> 
> Either the description in the elisp reference or the implementaion of
> the commands should be corrected.

Thanks.  The return value can be anything and is not important, so
I've removed the incorrect information from the ELisp manual on the
emacs-29 branch.  I'm therefore closing this bug.