zram: move systemd support from meta-systemd back to meta-oe

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-systemd/meta-oe/recipes-extended/zram/zram/zram.service

@@ -1,12 +0,0 @@
-[Unit]
-Description=Enable zram compressed in-memory swap.
-After=multi-user.target
-
-[Service]
-RemainAfterExit=yes
-ExecStart=/usr/bin/zram-load.sh --load
-ExecStop=/usr/bin/zram-load.sh --unload
-Type=oneshot
-
-[Install]
-WantedBy=multi-user.target

meta-systemd/meta-oe/recipes-extended/zram/zram_0.1.bbappend

@@ -1,20 +0,0 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
-
-PRINC := "${@int(PRINC) + 2}"
-
-inherit systemd
-
-SRC_URI += " \
-        file://zram.service \
-"
-
-RPROVIDES_${PN} += "${PN}-systemd"
-RREPLACES_${PN} += "${PN}-systemd"
-RCONFLICTS_${PN} += "${PN}-systemd"
-SYSTEMD_SERVICE_${PN} = "zram.service"
-
-do_install_append() {
-	install -d ${D}${systemd_unitdir}/system
-	install -m 0644 ${WORKDIR}/zram.service ${D}${systemd_unitdir}/system
-}
-