Don't set default route at all.

Works with iOS and Android per #51.

image/dhcpd.conf

@@ -110,7 +110,6 @@ log-facility local7;
 subnet 192.168.10.0 netmask 255.255.255.0 {
 	range 192.168.10.10 192.168.10.50;
 	option broadcast-address 192.168.10.255;
-	option routers 0.0.0.0;
 	default-lease-time 12000;
 	max-lease-time 12000;
 	option domain-name "stratux.local";