Remove dead xrefs to obsolete kvm_mkdb(8).

usr.bin/elf2aout/elf2aout.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: elf2aout.1,v 1.9 2003/02/25 10:35:40 wiz Exp $
+.\"	$NetBSD: elf2aout.1,v 1.10 2012/03/05 10:57:18 njoly Exp $
 .\"
 .\" Copyright 1996 The Board of Trustees of The Leland Stanford
 .\" Junior University. All Rights Reserved.
@@ -33,9 +33,7 @@ utility is used to convert native
 ELF binaries
 to a.out format, for compatibility with bootblocks and kernel-reading
 utilities like
-.Xr kvm 3
-and
-.Xr kvm_mkdb 8 ,
+.Xr kvm 3 ,
 which currently expect an a.out format kernel.
 .\" .Sh DIAGNOSTICS
 .Sh SEE ALSO
@@ -43,8 +41,7 @@ which currently expect an a.out format kernel.
 .Xr ld 1 ,
 .Xr kvm 3 ,
 .Xr a.out 5 ,
-.Xr elf 5 ,
-.Xr kvm_mkdb 8
+.Xr elf 5
 .Sh HISTORY
 .Nm
 was originally developed for

usr.bin/elf2ecoff/elf2ecoff.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: elf2ecoff.1,v 1.9 2003/02/25 10:35:40 wiz Exp $
+.\"	$NetBSD: elf2ecoff.1,v 1.10 2012/03/05 10:57:19 njoly Exp $
 .\"
 .\" Copyright 1996 The Board of Trustees of The Leland Stanford
 .\" Junior University. All Rights Reserved.
@@ -39,8 +39,7 @@ PROM code and diskless-boot servers that require ECOFF format binaries.
 .Xr ld 1 ,
 .Xr kvm 3 ,
 .Xr a.out 5 ,
-.Xr elf 5 ,
-.Xr kvm_mkdb 8
+.Xr elf 5
 .Sh HISTORY
 .Nm
 was originally developed for

usr.sbin/dev_mkdb/dev_mkdb.8

@@ -26,7 +26,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	from: @(#)dev_mkdb.8	8.1 (Berkeley) 6/6/93
-.\"	$NetBSD: dev_mkdb.8,v 1.11 2009/03/09 19:24:33 joerg Exp $
+.\"	$NetBSD: dev_mkdb.8,v 1.12 2012/03/05 10:57:19 njoly Exp $
 .\"
 .Dd June 6, 1993
 .Dt DEV_MKDB 8
@@ -78,8 +78,7 @@ Database file.
 .Xr db 3 ,
 .Xr devname 3 ,
 .Xr kvm_nlist 3 ,
-.Xr ttyname 3 ,
-.Xr kvm_mkdb 8
+.Xr ttyname 3
 .Sh HISTORY
 The
 .Nm