Revert "bluez: enable systemd service by default."

This reverts commit f9d327e406.

Use dbus system activation instead.

srcpkgs/bluez/template

@@ -1,7 +1,7 @@
 # Template file for 'bluez'
 pkgname=bluez
 version=4.98
-revision=2
+revision=1
 distfiles="${KERNEL_SITE}/bluetooth/$pkgname-$version.tar.xz"
 build_style=gnu-configure
 configure_args="--libexecdir=/lib --enable-gstreamer --enable-dund
@@ -28,7 +28,6 @@ conf_files="
 /etc/bluetooth/input.conf
 /etc/bluetooth/audio.conf
 /etc/bluetooth/serial.conf"
-systemd_services="bluetooth.service on"
 
 subpackages="$pkgname-alsa $pkgname-compat $pkgname-gstreamer libbluetooth"
 subpackages="$subpackages libbluetooth-devel"