dhcp: move systemd support to meta-systemd

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

meta-oe/recipes-connectivity/dhcp/dhcp_4.2.3-P2.bbappend

@@ -1,13 +0,0 @@
-# look for files in the layer first
-FILESEXTRAPATHS := "${THISDIR}/files"
-
-inherit systemd
-
-PRINC := "${@int(PRINC) + 1}"
-
-SYSTEMD_PACKAGES = "dhcp-server-systemd dhcp-relay-systemd"
-SYSTEMD_SERVICE_dhcp-server-systemd = "dhcpd.service"
-SYSTEMD_SERVICE_dhcp-relay-systemd = "dhcrelay.service"
-
-SRC_URI += "file://dhcpd.service \
-            file://dhcrelay.service"

meta-oe/recipes-connectivity/dhcp/files/dhcpd.service

@@ -1,12 +0,0 @@
-[Unit]
-Description=Dynamic Host Configuration Protocol (DHCP)
-After=syslog.target network.target
-
-[Service]
-Type=forking
-PIDFile=/var/run/dhcpd.pid
-EnvironmentFile=-/etc/default/dhcp-server
-ExecStart=/usr/sbin/dhcpd -cf /etc/dhcp/dhcpd.conf -q $INTERFACES
-
-[Install]
-WantedBy=multi-user.target

meta-oe/recipes-connectivity/dhcp/files/dhcrelay.service

@@ -1,10 +0,0 @@
-[Unit]
-Description=DHCP Relay Agent Daemon
-After=syslog.target network.target
-
-[Service]
-EnvironmentFile=/etc/default/dhcp-relay
-ExecStart=/usr/sbin/dhcrelay -d $DHCRELAYARGS
-
-[Install]
-WantedBy=multi-user.target