remove /run migration script

We have used /run for some time now and we have had this migration
script for 6 years. Linux users should have upgraded by now to a version
of OpenRC which stores its information in /run.

sh/.gitignore

@@ -4,5 +4,4 @@ openrc-run.sh
 cgroup-release-agent.sh
 init.sh
 init-early.sh
-migrate-to-run.sh
 binfmt.sh

sh/Makefile

@@ -14,8 +14,7 @@ SRCS-FreeBSD=
 BIN-FreeBSD=
 
 SRCS-Linux=	binfmt.sh.in cgroup-release-agent.sh.in init-early.sh.in \
-	migrate-to-run.sh.in
-BIN-Linux=	binfmt.sh cgroup-release-agent.sh init-early.sh migrate-to-run.sh
+BIN-Linux=	binfmt.sh cgroup-release-agent.sh init-early.sh
 INC-Linux= rc-cgroup.sh
 
 SRCS-NetBSD=

sh/migrate-to-run.sh.in

@@ -1,36 +0,0 @@
-#!/bin/sh
-# Copyright (c) 2012-2015 The OpenRC Authors.
-# See the Authors file at the top-level directory of this distribution and
-# https://github.com/OpenRC/openrc/blob/master/AUTHORS
-#
-# This file is part of OpenRC. It is subject to the license terms in
-# the LICENSE file found in the top-level directory of this
-# distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
-# This file may not be copied, modified, propagated, or distributed
-#    except according to the terms contained in the LICENSE file.
-
-. "@LIBEXECDIR@/sh/functions.sh"
-
-if [ -e /run/openrc/softlevel ]; then
-	einfo "The OpenRC dependency data has already been migrated."
-	exit 0
-fi
-
-if [ ! -d /run ]; then
-	eerror "/run is not a directory."
-	eerror "moving /run to /run.pre-openrc"
-	mv /run /run.pre-openrc
-	mkdir /run
-fi
-
-rm -rf /run/openrc
-
-if ! mountinfo -q -f tmpfs /run; then
-	ln -s "@LIBEXECDIR@"/init.d /run/openrc
-else
-	cp -a "@LIBEXECDIR@/init.d" /run/openrc
-	rc-update -u
-fi
-
-einfo "The OpenRC dependency data was migrated successfully."
-exit 0