Remove extra rules, because they are in upstream now

ffpb/ffpb-ebtables-net-rules/files/lib/gluon/ebtables/110-ffpb-suppress-bogus-arprequests

@@ -1,2 +0,0 @@
-rule 'MULTICAST_OUT -p ARP --arp-opcode Reply --arp-ip-src 0.0.0.0 -j DROP'
-rule 'MULTICAST_OUT -p ARP --arp-opcode Request --arp-ip-dst 0.0.0.0 -j DROP'