[ONOS-6179] Virtual Network Packet Propagation Issue

There is a problem that the packet request from virtual network
is not relay to real packet service because
VirtualNetworkPacketService cannot process requestPacket()
properly.
Moreover, the installed flow rules from vNet are not syncronized
with the physical rules.

Change-Id: I20c3e1fbb7668f563fafcb3a9d6a7d80ffba55fd
diff --git a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualPacketContext.java b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualPacketContext.java
index 931fb22..9d03b0dc 100644
--- a/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualPacketContext.java
+++ b/incubator/net/src/main/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualPacketContext.java
@@ -20,7 +20,6 @@
 import org.onosproject.net.packet.DefaultPacketContext;
 import org.onosproject.net.packet.InboundPacket;
 import org.onosproject.net.packet.OutboundPacket;
-import org.onosproject.net.packet.PacketContext;
 
 /**
  * Represents context for processing an inbound packet for a virtual network
@@ -55,8 +54,7 @@
     @Override
     public void send() {
         if (!this.block()) {
-            PacketContext context = dvpp.devirtualizeContext(this);
-            context.send();
+            dvpp.devirtualizeContext(this);
         }
     }