main/postmarketos-base: drop mvcfg (MR 5085)

All these config update are there since 2020. Having them there
serves no purpose, apart from increasing packaging complexity and
have some unnecessary files under /etc

main/postmarketos-base/APKBUILD

@@ -1,6 +1,6 @@
 pkgname=postmarketos-base
 pkgver=32
-pkgrel=3
+pkgrel=4
 pkgdesc="Meta package for minimal postmarketOS base"
 url="https://postmarketos.org"
 arch="noarch"
@@ -13,12 +13,11 @@ depends="
 	openssh
 	postmarketos-bootsplash
 	postmarketos-initramfs
-	postmarketos-mvcfg
 	postmarketos-keys
 	sudo-virt
 	zram-init
 	"
-install="$pkgname.post-install $pkgname.pre-upgrade $pkgname.post-upgrade"
+install="$pkgname.post-install $pkgname.post-upgrade"
 triggers="$pkgname.trigger=/usr/share/deviceinfo"
 subpackages="
 	$pkgname-mesa
@@ -99,8 +98,6 @@ package() {
 	for i in $_source755; do
 		install -Dm755 "$srcdir/$(flatpath "$i")" "$pkgdir/$i"
 	done
-
-	postmarketos-mvcfg-package "$pkgdir" "$pkgname"
 }
 
 mesa() {

main/postmarketos-base/postmarketos-base.pre-upgrade

@@ -1,9 +0,0 @@
-#!/bin/sh
-
-postmarketos-mvcfg-pre-upgrade \
-	postmarketos-base \
-	/etc/conf.d/syslog \
-	/etc/fstab \
-	/etc/issue \
-	/etc/motd \
-	/etc/sudoers