[InterNetNews/inn] 423bce: scanspool: No special rule for junk groups

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: 423bcecfe60be1bf56d5225e2b09f269b6b61f0e
      https://github.com/InterNetNews/inn/commit/423bcecfe60be1bf56d5225e2b09f269b6b61f0e
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-12-24 (Sun, 24 Dec 2023)

  Changed paths:
    M doc/pod/scanspool.pod
    M frontends/scanspool.in

  Log Message:
  -----------
  scanspool: No special rule for junk groups

Though the documentation mentions a special rule for newsgroups with
"j" or "x" status, nothing is implemented.  Let's just remove the
documentation of that rule.