Remove the obsolete init script for Gentoo's network configuration system.

My own machines use a process supervision system, so this script is
unmaintained and doesn't work anymore.

initscripts/gentoo/ndhc.sh

@@ -1,93 +0,0 @@
-# Copyright (c) 2007-2008 Roy Marples <roy@marples.name>
-# All rights reserved. Released under the 2-clause BSD license.
-
-ndhc_depend()
-{
-	program start /sbin/ndhc
-	after interface
-	provide dhcp
-}
-
-_config_vars="$_config_vars dhcp ndhc"
-
-ndhc_start()
-{
-	local args= opt= opts= pidfile="/var/run/ndhc-${IFACE}.pid"
-	local sendhost=true
-	local leasefile="/var/state/${IFACE}.lease"
-
-	eval args=\$ndhc_${IFVAR}
-
-	# Get our options
-	eval opts=\$dhcp_${IFVAR}
-	[ -z "${opts}" ] && opts=${dhcp}
-
-	# # Map some generic options to ndhc
-	# for opt in ${opts}; do
-	# 	case "${opt}" in
-	# 		nodns) args="${args} --env PEER_DNS=no";;
-	# 		nontp) args="${args} --env PEER_NTP=no";;
-	# 		nogateway) args="${args} --env PEER_ROUTERS=no";;
-	# 		nosendhost) sendhost=false;
-	# 	esac
-	# done
-
-	# [ "${metric:-0}" != "0" ] && args="${args} --env IF_METRIC=${metric}"
-
-	ebegin "Running ndhc"
-
-	case " ${args} " in
-		*" --quit "*|*" -q "*) x="/sbin/ndhc";;
-		*) x="start-stop-daemon --start --exec /sbin/ndhc \
-			--pidfile ${pidfile} --";;
-	esac
-
-	case " ${args} " in
-		*" --hostname="*|*" -h "*|*" -H "*);;
-		*)
-			if ${sendhost}; then
-				local hname="$(hostname)"
-				if [ "${hname}" != "(none)" ] && [ "${hname}" != "localhost" ]; then
-					args="${args} --hostname='${hname}'"
-				fi
-			fi
-			;;
-	esac
-
-	# delay until carrier is up
-	ip link set "${IFACE}" up
-	ip link show "${IFACE}" | grep NO-CARRIER >/dev/null 2>&1
-	while [ "$?" != "1" ]; do
-	    sleep 1
-	    ip link show "${IFACE}" | grep NO-CARRIER >/dev/null 2>&1
-	done
-
-	eval "${x}" "${args}" -r `cat /etc/firewall/tmp/OLDEXTIP` \
-		-n -i "${IFACE}" -u "ndhc" -C "/var/lib/ndhc" \
-		-p "${pidfile}" -l "${leasefile}" >/dev/null
-	eend $? || return 1
-
-	_show_address
-	return 0
-}
-
-ndhc_stop()
-{
-	local pidfile="/var/lib/ndhc/var/run/ndhc-${IFACE}.pid" opts=
-	[ ! -f "${pidfile}" ] && return 0
-
-	# Get our options
-	eval opts=\$dhcp_${IFVAR}
-	[ -z "${opts}" ] && opts=${dhcp}
-
-	ebegin "Stopping ndhc on ${IFACE}"
-	case " ${opts} " in
-		*" release "*)
-			start-stop-daemon --stop --quiet --oknodo --signal USR2 \
-				--exec /sbin/ndhc --pidfile "${pidfile}"
-			;;
-	esac
-
-	start-stop-daemon --stop --exec /sbin/ndhc --pidfile "${pidfile}"
-	eend $?
-}