Temporarily disabling NeighbourPacketManager to fix STC tests.

Change-Id: I21a1bc612de08ef96972044f5612cfb292841b61
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/neighbour/impl/NeighbourPacketManager.java b/incubator/net/src/main/java/org/onosproject/incubator/net/neighbour/impl/NeighbourPacketManager.java
index 0e665d3..2292ecb 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/neighbour/impl/NeighbourPacketManager.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/neighbour/impl/NeighbourPacketManager.java
@@ -79,7 +79,7 @@
  * Manages handlers for neighbour messages.
  */
 @Service
-@Component(immediate = true)
+@Component(immediate = true, enabled = false)
 public class NeighbourPacketManager implements NeighbourResolutionService {
 
     private final Logger log = LoggerFactory.getLogger(getClass());