Remove esis reference

sbin/route/route.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: route.8,v 1.49 2013/10/07 05:06:45 dholland Exp $
+.\"	$NetBSD: route.8,v 1.50 2013/11/05 07:42:48 kefren 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 July 24, 2013
+.Dd November 5, 2013
 .Dt ROUTE 8
 .Os
 .Sh NAME
@@ -401,7 +401,6 @@ Only root may modify the routing tables.
 These privileges are enforced by the kernel.
 .El
 .Sh SEE ALSO
-.Xr esis 4 ,
 .Xr mpls 4 ,
 .Xr netintro 4 ,
 .Xr route 4 ,