glusterfs: remove systemd build option (#1736)

srcpkgs/glusterfs/template

@@ -1,8 +1,7 @@
 # Template file for 'glusterfs'
 pkgname=glusterfs
 version=3.5.2
-revision=5
-build_options="systemd"
+revision=6
 build_style=gnu-configure
 configure_args="--disable-glupy --enable-crypt-xlator
  --sbindir=/usr/bin --with-mountutildir=/usr/bin
@@ -25,9 +24,6 @@ pre_configure() {
 }
 post_install() {
 	rm -rf ${DESTDIR}/var
-	if [ "$build_option_systemd" ]; then
-		vinstall ${wrksrc}/extras/systemd/glusterd.service 644 usr/lib/systemd/system
-	fi
 	vsv glusterfsd
 }