Removed obsolete methods SwitchPort.dpid() and SwitchPort.port()

Instead, always use the equivalent SwitchPort.getDpid() and
SwitchPort.getPortNumber()

No functional changes.

Change-Id: Ia654bb4b1e2c2f7582307f5b0d2c83dd60405525
diff --git a/src/main/java/net/onrc/onos/core/util/SwitchPort.java b/src/main/java/net/onrc/onos/core/util/SwitchPort.java
index cbe4bcb..e296b7b 100644
--- a/src/main/java/net/onrc/onos/core/util/SwitchPort.java
+++ b/src/main/java/net/onrc/onos/core/util/SwitchPort.java
@@ -11,8 +11,8 @@
  */
 @JsonSerialize(using = SwitchPortSerializer.class)
 public final class SwitchPort {
-    private final Dpid dpid;        // The DPID of the switch
-    private final PortNumber port;        // The port of the switch
+    private final Dpid dpid;            // The DPID of the switch
+    private final PortNumber port;      // The port number on the switch
 
     /**
      * Default constructor for Serializer to use.
@@ -62,29 +62,11 @@
      *
      * @return the DPID value of the Switch-Port.
      */
-    public Dpid dpid() {
-        return dpid;
-    }
-
-    /**
-     * Get the DPID value of the Switch-Port.
-     *
-     * @return the DPID value of the Switch-Port.
-     */
     public Dpid getDpid() {
         return dpid;
     }
 
     /**
-     * Get the port value of the Switch-Port.
-     *
-     * @return the port value of the Switch-Port.
-     */
-    public PortNumber port() {
-        return port;
-    }
-
-    /**
      * Get the port number of the Switch-Port.
      *
      * @return the port number of the Switch-Port.