bug#57080: 29.0.60; [PATCH] Updates to mode line construct documentation

[Phil Sainty]

On 2023-03-18 21:54, Eli Zaretskii wrote:
> I thought you were talking about adding it [%t] (to the manual or
> elsewhere)?  Are you instead suggesting to remove it from the doc
> string?

Yep, just removing it from the docstring.  That was the only place
it was still mentioned, that I could see.

> That's fine with me, on emacs-29

Thanks, will do.