main/postmarketos-update-depthcharge-kernel: remove (MR 5045)

Was integrated into boot-deploy in
https://gitlab.com/postmarketOS/boot-deploy/-/commit/bd14f1be8da2ed85129e8103fb51bafad4449b25
As such, this package is redundant.

main/postmarketos-update-depthcharge-kernel/APKBUILD

-# Maintainer: Jenneron <jenneron@protonmail.com>
-pkgname=postmarketos-update-depthcharge-kernel
-pkgver=2.1
-pkgrel=0
-pkgdesc="depthcharge kernel updater script for postmarketOS"
-url="https://postmarketos.org"
-depends="devicepkg-utils util-linux-misc"
-source="update-depthcharge-kernel.sh"
-arch="noarch"
-license="GPL-3.0-or-later"
-
-package() {
-	install -Dm755 "$srcdir/update-depthcharge-kernel.sh" \
-		"$pkgdir/sbin/pmos-update-depthcharge-kernel"
-}
-
-sha512sums="
-bbd131d5d4d377ac15aae9a975a7be17f347fb2b459d33a5aa91702483d113874866c455a7f894262ab0b568bf3a912cd30e1018f64beac6d0e647db2baf9eae  update-depthcharge-kernel.sh
-"

main/postmarketos-update-depthcharge-kernel/update-depthcharge-kernel.sh

-#!/bin/sh
-# GPL-3.0-or-later
-
-set -e
-
-# Declare used deviceinfo variables to pass shellcheck
-deviceinfo_cgpt_kpart=""
-
-. /usr/share/misc/source_deviceinfo
-
-# shellcheck disable=SC2013
-for x in $(cat /proc/cmdline); do
-	[ "$x" = "${x#kern_guid=}" ] && continue
-	GUID="${x#kern_guid=}"
-	partition=$(findfs PARTUUID="$GUID")
-	echo "Flashing $deviceinfo_cgpt_kpart to $partition"
-	dd if="$deviceinfo_cgpt_kpart" of="$partition"
-done
-
-echo "Done."