Remove final modifier from static methods

Change-Id: I93dd84874f46114011840ef840315a0d27c221ac
diff --git a/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java b/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java
index e837c66..cab6c0e 100644
--- a/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java
+++ b/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java
@@ -30,7 +30,7 @@
      * @param timer timer to start
      * @return timing context, if timer was not null
      */
-    public static final Context startTimer(Timer timer) {
+    public static Context startTimer(Timer timer) {
         if (timer != null) {
             return timer.time();
         }
@@ -45,7 +45,7 @@
      *
      * @param context timing context to stop, if not null.
      */
-    public static final void stopTimer(Context context) {
+    public static void stopTimer(Context context) {
         if (context != null) {
             context.stop();
         }