systemd/dbus: don't generate a /etc/machine-id with the post-install trigger (MR 5377)

Generating the machine-id is handled by systemd's first boot mechanism,
so that was removed from the dbus post-install script

extra-repos/systemd/dbus/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=dbus
 pkgver=9991.14.10
 _pkgver=1.14.10
-pkgrel=2
+pkgrel=3
 pkgdesc="Freedesktop.org message bus system"
 url="https://www.freedesktop.org/Software/dbus"
 arch="all"
@@ -22,7 +22,7 @@ makedepends="
 	"
 pkggroups="messagebus"
 provider_priority=1
-install="$pkgname.pre-install $pkgname.post-install"
+install="$pkgname.pre-install"
 triggers="$pkgname.trigger=/usr/share/dbus-1/system.d"
 options="!check" # Borked in pmbootstrap...
 subpackages="

extra-repos/systemd/dbus/dbus.post-install

-#!/bin/sh
-
-# Don't populate this, we want systemd-firstboot to do it instead.
-exec dbus-uuidgen --ensure=/etc/machine-id