Remove absolutely useless functionality to build source kits. This is

unlikely to work with the changes in bootstrap itself anyway.

bootstrap/mkbootstrapkit

@@ -1,49 +0,0 @@
-#! /bin/sh
-#
-# $NetBSD: mkbootstrapkit,v 1.9 2007/03/02 16:48:48 wiz Exp $
-#
-# Usage: mkbootstrapkit [kitdir]
-#
-# Make a source bootstrap kit.  By default, the "kitdir" is
-# ${TMPDIR}/bootstrap-kit-<today>, the resulting archive will extract
-# a directory tree rooted in "bootstrap-kit-<today>".
-
-date=`date +%Y%m%d`
-kitdir=${1:-${TMPDIR:=/tmp}/bootstrap-kit-${date}}
-kitfile=${1:-${TMPDIR:=/tmp}/bootstrap-kit-${date}.tgz}
-
-bootstrapdir=`pwd`
-pkgsrcdir=`dirname $bootstrapdir`
-
-echo "Creating $kitdir."
-rm -rf $kitdir
-mkdir -p $kitdir
-cd $pkgsrcdir
-for dir in \
-	archivers/pax \
-	bootstrap \
-	devel/bmake \
-	lang/nawk \
-	mk \
-	net/tnftp \
-	pkgtools/bootstrap-extras \
-	pkgtools/bootstrap-mk-files \
-	pkgtools/digest \
-	pkgtools/libnbcompat \
-	pkgtools/mtree \
-	pkgtools/pax \
-	pkgtools/pkg_install \
-	pkgtools/tnftp \
-	sysutils/install-sh \
-	textproc/nbsed
-do
-	echo "Copying $dir."
-	tar hcf - $dir | ( cd $kitdir; tar xf - )
-done
-
-echo "Archiving to $kitfile."
-rm -f $kitfile
-cd `dirname $kitdir` && tar cpf - `basename $kitdir` | gzip -c > $kitfile 
-
-echo "Removing $kitdir."
-rm -rf $kitdir