Remove dependence bgp policy file
Remove dependence bgp policy file

The bgp policy file was removed in [0].

[0] I4f99739ca8b979ddf69c52c3f1b36e320326db8d

Change-Id: I7f91fb293d9c575667c39dc311a65658422c2769

openstack/dragonflow,openstack/dragonflow,openstack/dragonflow