Move containerd init file from init package to containerd package

Otherwise it gets out of sync, and it makes little sense it being in
`init` now anyway.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

pkg/init/etc/init.d/010-containerd

@@ -1,41 +0,0 @@
-#!/bin/sh
-
-# set global ulimits TODO move to /etc/limits.conf
-ulimit -n 1048576
-ulimit -p unlimited
-
-# bring up containerd
-printf "\nStarting containerd\n"
-/usr/bin/containerd &
-
-# wait for socket to be there
-while [ ! -S /run/containerd/containerd.sock ]
-do
-	sleep 0.1
-done
-
-# start onboot containers, run to completion
-
-if [ -d /containers/onboot ]
-then
-	for f in $(find /containers/onboot -mindepth 1 -maxdepth 1 | sort)
-	do
-		base="$(basename $f)"
-		/bin/mount --bind "$f/rootfs" "$f/rootfs"
-		mount -o remount,rw "$f/rootfs"
-		/usr/bin/runc run --bundle "$f" "$(basename $f)"
-		printf " - $base\n"
-	done
-fi
-
-# start service containers
-
-if [ -d /containers/services ]
-then
-	for f in $(find /containers/services -mindepth 1 -maxdepth 1 | sort)
-	do
-		/bin/mount --bind "$f/rootfs" "$f/rootfs"
-		mount -o remount,rw "$f/rootfs"
-		service start "$(basename $f)"
-	done
-fi