man: remove leftover ndd(8) refs
commit1e547673a24562964a349079a96f4997edd5e1e1
authorLauri Tirkkonen <lotheac@iki.fi>
Sun, 6 Jan 2019 21:43:53 +0000 (6 23:43 +0200)
committerLauri Tirkkonen <lotheac@iki.fi>
Mon, 7 Jan 2019 09:40:35 +0000 (7 11:40 +0200)
treed88bc7f1fff506210ed3886f3505052d02d939e2
parente58c747a64662e485c3c2d2ec5ad2cc6a98ed275
man: remove leftover ndd(8) refs

ndd was removed long ago, but some references still remained.
share/man/man5/ieee802.3.5
share/man/man7d/rge.7d
share/man/man8/ipadm.8