bug#26242: 25.1; `dired-shrink-to-fit' warning

[Drew Adams <drew.adams@oracle.com>]

> > Don't issue that byte-compiler warning, but
> > instead do one or more of the things I suggested.
> 
> > What we should do is just restore the definition of
> > `dired-shrink-to-fit' (perhaps even making it a constant with value
> > `t'), or just replace occurrences of it with `t' and declare it obsolete
> > but without such a silly warning that tells you to customize
> > `display-buffer-alist'.
> 
> So something like this (I don't see the benefit of replacing occurrences
> with `t' before actually removing it completely)?
>
> +			"stop using it." "24.3")

Better, yes.