Remove unnecessary files

Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>

debian/wireplumber.postinst.debhelper

-# Automatically added by dh_installsystemduser/13.3.3apertis1bv2022dev2b1
-if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
-	# This will only remove masks created by d-s-h on package removal.
-	deb-systemd-helper --user unmask 'wireplumber.service' >/dev/null || true
-
-	# was-enabled defaults to true, so new installations run enable.
-	if deb-systemd-helper --quiet --user was-enabled 'wireplumber.service' ; then
-		# Enables the unit on first installation, creates new
-		# symlinks on upgrades if the unit file has changed.
-		deb-systemd-helper --user enable 'wireplumber.service' >/dev/null || true
-	else
-		# Update the statefile to add new symlinks (if any), which need to be
-		# cleaned up on purge. Also remove old symlinks.
-		deb-systemd-helper --user update-state 'wireplumber.service' >/dev/null || true
-	fi
-fi
-# End automatically added section

debian/wireplumber.postrm.debhelper

-# Automatically added by dh_installsystemduser/13.3.3apertis1bv2022dev2b1
-if [ "$1" = "remove" ]; then
-	if [ -x "/usr/bin/deb-systemd-helper" ] ; then
-		deb-systemd-helper --user mask 'wireplumber.service' >/dev/null || true
-	fi
-fi
-
-if [ "$1" = "purge" ]; then
-	if [ -x "/usr/bin/deb-systemd-helper" ] ; then
-		deb-systemd-helper --user purge 'wireplumber.service' >/dev/null || true
-		deb-systemd-helper --user unmask 'wireplumber.service' >/dev/null || true
-	fi
-fi
-# End automatically added section