Remove NodePortTuple copy constructor added by ONOS
diff --git a/src/main/java/net/floodlightcontroller/topology/NodePortTuple.java b/src/main/java/net/floodlightcontroller/topology/NodePortTuple.java
index 6ac8f29..4983529 100644
--- a/src/main/java/net/floodlightcontroller/topology/NodePortTuple.java
+++ b/src/main/java/net/floodlightcontroller/topology/NodePortTuple.java
@@ -18,16 +18,6 @@
     protected short portId; // switch port id
 
     /**
-     * A copy constructor for NodePortTuple.
-     *
-     * @param other the object to copy the state from.
-     */
-    public NodePortTuple(NodePortTuple other) {
-	this.nodeId = other.nodeId;
-	this.portId = other.portId;
-    }
-
-    /**
      * Creates a NodePortTuple
      * @param nodeId The DPID of the switch
      * @param portId The port of the switch