Overhaul dhcpcd for chrome os use

dhcpcd-hooks/29-lookup-hostname

Index: dhcpcd-hooks/29-lookup-hostname
diff --git a/dhcpcd-hooks/29-lookup-hostname b/dhcpcd-hooks/29-lookup-hostname
deleted file mode 100644
index ce131225d6329cff4b9c0f0f17707c7848a335e9..0000000000000000000000000000000000000000
--- a/dhcpcd-hooks/29-lookup-hostname
+++ /dev/null
@@ -1,34 +0,0 @@
-# Lookup the hostname in DNS if not set
-
-lookup_hostname()
-{
-	[ -z "$new_ip_address" ] && return 1
-	local h=
-	# Silly ISC programs love to send error text to stdout
-	if type dig >/dev/null 2>&1; then
-		h=$(dig +short -x $new_ip_address)
-		if [ $? = 0 ]; then
-			echo "$h" | sed 's/\.$//'
-			return 0
-		fi
-	elif type host >/dev/null 2>&1; then
-		h=$(host $new_ip_address)
-		if [ $? = 0 ]; then 
-			echo "$h" \
-			| sed 's/.* domain name pointer \(.*\)./\1/'
-			return 0
-		fi
-	fi
-	return 1
-}
-
-set_hostname()
-{
-	if [ -z "$new_host_name" -a -z "$new_fqdn_name" ]; then
-		export new_host_name="$(lookup_hostname)"
-	fi
-}
-
-case "$reason" in
-BOUND|INFORM|REBIND|REBOOT|RENEW|TIMEOUT|STATIC)	set_hostname;;
-esac