systemd: remove old /var/run workarounds

Do not clear /var/run on startup as it is a tmpfs.
Do not create empty /var/run/utmp on startup as it no longer seems
needed for systemd-update-utmp-runlevel.service to start properly.

(From OE-Core rev: 0c357b53b2c0123feeedfc202491b39eb639bfa7)

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/systemd/systemd/var-run.conf

@@ -1,4 +0,0 @@
-# empty /var/run
-R	/var/run/*	-	-	-	-	-
-# systemd-update-utmp-runlevel.service fails to start without this
-f /var/run/utmp 0644 root root - -

meta/recipes-core/systemd/systemd_204.bb

@@ -20,7 +20,6 @@ inherit gtk-doc useradd pkgconfig autotools perlnative update-rc.d update-altern
 SRC_URI = "http://www.freedesktop.org/software/systemd/systemd-${PV}.tar.xz \
            file://touchscreen.rules \
            file://modprobe.rules \
-           file://var-run.conf \
            ${UCLIBCPATCHES} \
            file://0001-utmp-turn-systemd-update-utmp-shutdown.service-into-.patch \
            file://00-create-volatile.conf \
@@ -105,8 +104,6 @@ do_install() {
 
 	install -m 0644 ${WORKDIR}/*.rules ${D}${sysconfdir}/udev/rules.d/
 
-	install -m 0644 ${WORKDIR}/var-run.conf ${D}${sysconfdir}/tmpfiles.d/
-
 	install -m 0644 ${WORKDIR}/00-create-volatile.conf ${D}${sysconfdir}/tmpfiles.d/
 
 	if ${@base_contains('DISTRO_FEATURES','sysvinit','true','false',d)}; then