Remove deprecated deserialize() mthods from packet classes

Change-Id: I4e52ab368390d30f5f5f24d443a5021916d0c6a3
diff --git a/core/net/src/main/java/org/onosproject/net/neighbour/impl/DefaultNeighbourMessageActions.java b/core/net/src/main/java/org/onosproject/net/neighbour/impl/DefaultNeighbourMessageActions.java
index ed78212..cdbd35c 100644
--- a/core/net/src/main/java/org/onosproject/net/neighbour/impl/DefaultNeighbourMessageActions.java
+++ b/core/net/src/main/java/org/onosproject/net/neighbour/impl/DefaultNeighbourMessageActions.java
@@ -65,7 +65,7 @@
 
     @Override
     public void forward(NeighbourMessageContext context, Interface outIntf) {
-        Ethernet packetOut = (Ethernet) context.packet().clone();
+        Ethernet packetOut = context.packet().duplicate();
         if (outIntf.vlan().equals(VlanId.NONE)) {
             // The egress interface has no VLAN Id. Send out an untagged
             // packet