Remove unused fields from OpenFlowController
Remove unused fields from OpenFlowController

Remove unused fields

Change-Id: I3538c679518e2341bc134506876206844c9b51db

openstack/dragonflow,no2key/dragonflow,FrankDuan/df_code,openstack/dragonflow,FrankDuan/df_code,neoareslinux/dragonflow,openstack/dragonflow,neoareslinux/dragonflow,no2key/dragonflow,FrankDuan/df_code