SONAR Suggestion - protected members in final classes are pointless

Change-Id: Ie34d86aecf181e73867a14864d75e0db8a8f48f3
diff --git a/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java b/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
index 6f56154..ab1363c 100644
--- a/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
+++ b/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
@@ -75,7 +75,7 @@
  * whether the current device is an edge device or a transit device.
  */
 public class DefaultGroupHandler {
-    protected static final Logger log = getLogger(DefaultGroupHandler.class);
+    private static final Logger log = getLogger(DefaultGroupHandler.class);
 
     private static final long VERIFY_INTERVAL = 30; // secs