Remove unused make target (#171)

Makefile

@@ -101,17 +101,6 @@ _ips:
 route: _ips
 	eval "sudo ip r a ${staticR}"
 
-# there is no libvirt required anymore and thus following rules will not work on systems without
-# TODO: discuss what to do instead?
-.PHONY: fwrules
-fwrules: _ips
-	eval "sudo -- iptables -I LIBVIRT_FWO -s 100.255.254.0/24 -i docker0 -j ACCEPT;"
-	eval "sudo -- iptables -I LIBVIRT_FWO -s 10.0.1.0/24 -i docker0 -j ACCEPT;"
-	eval "sudo -- iptables -I LIBVIRT_FWI -d 100.255.254.0/24 -o docker0 -j ACCEPT;"
-	eval "sudo -- iptables -I LIBVIRT_FWI -d 10.0.1.0/24 -o docker0 -j ACCEPT;"
-	eval "sudo -- iptables -t nat -I LIBVIRT_PRT -s 100.255.254.0/24 ! -d 100.255.254.0/24 -j MASQUERADE"
-	eval "sudo -- iptables -t nat -I LIBVIRT_PRT -s 10.0.1.0/24 ! -d 10.0.1.0/24 -j MASQUERADE"
-
 .PHONY: cleanup
 cleanup: cleanup-control-plane cleanup-partition