systemd: Let the new systemd provide the DBus services now

recipes-core/systemd/systemd/dbus.conf

-[Service]
-Environment=DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/%I/dbus/user_bus_socket

recipes-core/systemd/systemd/dbus.service

-[Unit]
-Description=D-Bus Message Bus
-Requires=dbus.socket
-
-[Service]
-ExecStart=/usr/bin/dbus-daemon --session --address=systemd: --nofork --nopidfile --systemd-activation
-ExecReload=/usr/bin/dbus-send --print-reply --session --type=method_call --dest=org.freedesktop.DBus / org.freedesktop.DBus.ReloadConfig

recipes-core/systemd/systemd/dbus.socket

-[Unit]
-Description=D-Bus Message Bus Socket
-Before=sockets.target
-
-[Socket]
-ListenStream=%t/dbus/user_bus_socket
-
-[Install]
-WantedBy=default.target

recipes-core/systemd/systemd_%.bbappend

 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 SRC_URI_append = " file://50-video.rules \
                   file://65-android.rules \
-                  file://dbus.service \
-                  file://dbus.socket \
-                  file://dbus.conf \
                   file://logind.conf \
                   file://0001-Hardcode-the-firmware-path-value-which-can-not-be-se.patch"
 
@@ -17,23 +14,9 @@ do_install_append() {
     touch ${D}/var/lib/systemd/linger/ceres
     sed -i "s@agetty --noclear @agetty --autologin ceres @" ${D}/lib/systemd/system/getty@.service
 
-    # In current systemd versions we have to take care ourselves of the dbus user service, it should be handled in the next versions
-    install -d ${D}/usr/lib/systemd/user/
-    install -d ${D}/home/ceres/.config/systemd/user/default.target.wants/
-    install -m 0644 ${WORKDIR}/dbus.socket ${D}/usr/lib/systemd/user/dbus.socket
-    install -m 0644 ${WORKDIR}/dbus.service ${D}/usr/lib/systemd/user/dbus.service
-    if [ ! -f ${D}/home/ceres/.config/systemd/user/default.target.wants/dbus.socket ]; then
-        ln -s /usr/lib/systemd/user/dbus.socket ${D}/home/ceres/.config/systemd/user/default.target.wants/dbus.socket
-        ln -s /usr/lib/systemd/user/dbus.service ${D}/home/ceres/.config/systemd/user/default.target.wants/dbus.service
-    fi
-    install -d ${D}/etc/systemd/system/user@.service.d/
-    install -m 0644 ${WORKDIR}/dbus.conf ${D}/etc/systemd/system/user@.service.d/dbus.conf
-
     install -m 0644 ${WORKDIR}/logind.conf ${D}/etc/systemd/logind.conf
 }
 
-FILES_${PN} += "/home/ceres/.config/systemd/user/default.target.wants/"
-
 PACKAGECONFIG_append += "pam"
 
 RRECOMMENDS_${PN}_remove = "udev-hwdb"