Remove obsolete archiso_shutdown hook

The functionality it provides has been available in mkinitcpio itself since 2013.
https://lists.archlinux.org/pipermail/arch-dev-public/2013-December/025742.html

Implements #8.

1 files changed, 0 insertions, 41 deletions

diff --git a/script/archiso_shutdown b/script/archiso_shutdown
deleted file mode 100644
index dd3bb96..0000000
--- a/script/archiso_shutdown
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/bin/ash
-#
-# SPDX-License-Identifier: GPL-3.0-or-later
-
-# /oldroot depends on things inside /oldroot/run/archiso...
-mkdir /oldrun
-mount -n --move /oldroot/run /oldrun
-
-# Unmount all mounts now.
-umount "$(mount | awk '$3 ~/^\/oldroot/ {print $3}' | sort -r)"
-
-# Remove all dm-snapshot devices.
-dmsetup remove_all
-
-# Remove all loopback devices.
-for _lup in $(grep ^/dev/loop /oldrun/archiso/used_block_devices | tac); do
-    if ! losetup -d -- "${_lup}" 2>/dev/null; then
-        umount -d -- "${_lup}"
-    fi
-done
-
-# Unmount the space used to store *.cow.
-umount /oldrun/archiso/cowspace
-
-# Unmount boot device if needed (no copytoram=y used)
-if [ ! -d /oldrun/archiso/copytoram ]; then
-    if [ -d /oldrun/archiso/img_dev ]; then
-        umount /oldrun/archiso/img_dev
-    else
-        umount /oldrun/archiso/bootmnt
-    fi
-fi
-
-# reboot / poweroff / halt, depending on the argument passed by init
-# if something invalid is passed, we halt
-case "$1" in
-reboot | poweroff | halt) "$1" -f ;;
-*) halt -f ;;
-esac
-
-# vim: set ft=sh: