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/floodlightcontroller/debugevent/Event.java b/src/main/java/net/floodlightcontroller/debugevent/Event.java
index 229902f..2b7bd73 100644
--- a/src/main/java/net/floodlightcontroller/debugevent/Event.java
+++ b/src/main/java/net/floodlightcontroller/debugevent/Event.java
@@ -159,9 +159,9 @@
                             apsStr.append("--");
                         } else {
                             for (SwitchPort ap : aps) {
-                                apsStr.append(HexString.toHexString(ap.dpid().value()));
+                                apsStr.append(HexString.toHexString(ap.getDpid().value()));
                                 apsStr.append("/");
-                                apsStr.append(ap.port().value());
+                                apsStr.append(ap.getPortNumber().value());
                                 apsStr.append(" ");
                             }
                         }