hmp*hx: Move info docs

Move the docs for the info subcommand from the separate hx
into the top level file next to the 'info' command itself.
That makes every command in the top level file have a RST section.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20260504174914.122607-2-dave@treblig.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2 files changed