removed README.client; overlaps with demo-java/commands
removed README.client; overlaps with demo-java/commands

batfish/batfish,intentionet/batfish,batfish/batfish,dhalperi/batfish,arifogel/batfish,intentionet/batfish,dhalperi/batfish,batfish/batfish,arifogel/batfish,arifogel/batfish,intentionet/batfish,intentionet/batfish,dhalperi/batfish,intentionet/batfish