Remove references to XNS

sbin/route/route.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: route.8,v 1.60 2017/07/04 06:54:20 wiz Exp $
+.\"	$NetBSD: route.8,v 1.61 2018/07/31 21:22:09 sevan Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)route.8	8.4 (Berkeley) 6/1/94
 .\"
-.Dd June 16, 2017
+.Dd July 31, 2018
 .Dt ROUTE 8
 .Os
 .Sh NAME
@@ -164,7 +164,6 @@ command is specified,
 .Nm
 will ``flush'' the routing tables of all gateway entries.
 When the address family is specified by any of the
-.Fl xns ,
 .Fl atalk ,
 .Fl inet ,
 .Fl inet6 ,
@@ -244,15 +243,12 @@ the gateway given is the address of this host on the common network,
 indicating the interface to be used for transmission.
 .Pp
 The optional modifiers
-.Fl xns ,
 .Fl atalk ,
 and
 .Fl link
 specify that all subsequent addresses are in the
-.Tn XNS ,
-or
 .Tn AppleTalk
-address families,
+address family,
 or are specified as link-level addresses in the form described in
 .Xr link_addr 3 ,
 and the names must be numeric specifications rather than
@@ -429,7 +425,6 @@ These privileges are enforced by the kernel.
 .Xr route 4 ,
 .Xr routed 8 ,
 .Xr sysctl 8
-.\" .Xr XNSrouted 8
 .Sh HISTORY
 The
 .Nm