Delete the remainings of libupnp and upnpd

These include rootfiles, firewall menue entries that have been
unmaintained for a long time, and firewall chains which were never used
in recent time.

Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/initscripts/system/firewall

@@ -363,12 +363,6 @@ iptables_init() {
 			-m mark --mark 3 -j SNAT --to-source "${ORANGE_ADDRESS}"
 	fi
 
-	# upnp chain for our upnp daemon
-	iptables -t nat -N UPNPFW
-	iptables -t nat -A PREROUTING -j UPNPFW
-	iptables -N UPNPFW
-	iptables -A FORWARD -m conntrack --ctstate NEW -j UPNPFW
-
 	# RED chain, used for the red interface
 	iptables -N REDINPUT
 	iptables -A INPUT -j REDINPUT