Fixed dependencies of VTN Renderer.
Fixed dependencies of VTN Renderer.

The vtn-renderer module does not depend on features-vtn-manager, but
depends on manager in org.opendaylight.vtn group.

Change-Id: I13e514d7c139aeaec25ed55722fc1d7b2bf517d1
Signed-off-by: Hideyuki Tai <87b3ecc686f9d387127fb9c6b83e75a0e66a7ae8@necam.com>

opendaylight/nic