Removing external dependencies which are not required after b8 release.
Removing external dependencies which are not required after b8 release.

Change-Id: Icb699a993520b168db9dd63364dd07e6d29c577f

opennetworkinglab/onos,LorenzReinhart/ONOSnew,gkatsikas/onos,opennetworkinglab/onos,oplinkoms/onos,LorenzReinhart/ONOSnew,sdnwiselab/onos,osinstom/onos,oplinkoms/onos,oplinkoms/onos,sdnwiselab/onos,kuujo/onos,kuujo/onos,oplinkoms/onos,LorenzReinhart/ONOSnew,kuujo/onos,sdnwiselab/onos,osinstom/onos,LorenzReinhart/ONOSnew,osinstom/onos,gkatsikas/onos,opennetworkinglab/onos,LorenzReinhart/ONOSnew,gkatsikas/onos,kuujo/onos,gkatsikas/onos,osinstom/onos,kuujo/onos,kuujo/onos,sdnwiselab/onos,osinstom/onos,opennetworkinglab/onos,kuujo/onos,oplinkoms/onos,oplinkoms/onos,opennetworkinglab/onos,sdnwiselab/onos,opennetworkinglab/onos,oplinkoms/onos,gkatsikas/onos,sdnwiselab/onos,gkatsikas/onos