orphan .Xr in manual pages

[Poul-Henning Kamp]

--------
In message <430119cd-2ef1-75c8-4922-c9f47d026880 at grosbein.net>, Eugene Grosbein writes:
>04.04.2020 23:43, Poul-Henning Kamp пишет:

>> List from a pretty virgin 12.1 system here:
>
>[skip]
>
>>     ./man8/mdconfig.8              .Xr vnconfig 8                 not found
>
>How should we deal with similar historic cases?
>
>HISTORY
>     The mdconfig utility first appeared in FreeBSD 5.0 as a cleaner
>     replacement for the vn(4) and vnconfig(8) combo.
>
>For now, vn(4) is an alias for md(4) and vnconfig(8) is an alias for mdconfig(8),
>so they are not exactly "broken links".

I think the reference and the symlink should just be summarily removed.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.