Overhaul dhcpcd for chrome os use

dhcpcd-hooks/50-dhcpcd-compat

Index: dhcpcd-hooks/50-dhcpcd-compat
diff --git a/dhcpcd-hooks/50-dhcpcd-compat b/dhcpcd-hooks/50-dhcpcd-compat
deleted file mode 100644
index 651bc0861e1ab0fe2ce616f781846256c12ed5a2..0000000000000000000000000000000000000000
--- a/dhcpcd-hooks/50-dhcpcd-compat
+++ /dev/null
@@ -1,41 +0,0 @@
-# Compat enter hook shim for older dhcpcd versions
-
-IPADDR=$new_ip_address
-INTERFACE=$interface
-NETMASK=$new_subnet_mask
-BROADCAST=$new_broadcast_address
-NETWORK=$new_network_number
-DHCPSID=$new_dhcp_server_identifier
-GATEWAYS=$new_routers
-DNSSERVERS=$new_domain_name_servers
-DNSDOMAIN=$new_domain_name
-DNSSEARCH=$new_domain_search
-NISDOMAIN=$new_nis_domain
-NISSERVERS=$new_nis_servers
-NTPSERVERS=$new_ntp_servers
-
-GATEWAY=
-for x in $new_routers; do
-	GATEWAY="$GATEWAY${GATEWAY:+,}$x"
-done
-DNS=
-for x in $new_domain_name_servers; do
-	DNS="$DNS${DNS:+,}$x"
-done
-
-x="down"
-case "$reason" in
-RENEW) x="up";;
-BOUND|INFORM|REBIND|REBOOT|TEST|TIMEOUT|IPV4LL) x="new";;
-esac
-
-if [ "$reason" != "down" ]; then
-	rm -f /var/lib/dhcpcd-"$INTERFACE".info
-	for x in IPADDR INTERFACE NETMASK BROADCAST NETWORK DHCPSID GATEWAYS \
-		DNSSERVERS DNSDOMAIN DNSSEARCH NISDOMAIN NISSERVERS \
-		NTPSERVERS GATEWAY DNS; do
-		eval echo "$x=\'\$$x\'" >> /var/lib/dhcpcd-"$INTERFACE".info
-	done
-fi
-
-set -- /var/lib/dhcpcd-"$INTERFACE".info "$x"