Code cleanup - remove unused code
Code cleanup - remove unused code

Change-Id: I18170d138b9278532082653f52e061547f611f16
Related-Bug: 1470621

sajuptpm/contrail-controller,nischalsheth/contrail-controller,sajuptpm/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,rombie/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,rombie/contrail-controller,sajuptpm/contrail-controller,nischalsheth/contrail-controller,codilime/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,sajuptpm/contrail-controller,codilime/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,tcpcloud/contrail-controller,tcpcloud/contrail-controller,rombie/contrail-controller,eonpatapon/contrail-controller,rombie/contrail-controller,codilime/contrail-controller,nischalsheth/contrail-controller,eonpatapon/contrail-controller,eonpatapon/contrail-controller,nischalsheth/contrail-controller,nischalsheth/contrail-controller,tcpcloud/contrail-controller