Fixing javadocs.

Change-Id: I25e0475d841565c6cb25720b4e1c632f0b712afd
diff --git a/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/SelectGroupHandler.java b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/SelectGroupHandler.java
index ed0b9b6..fdb4962 100644
--- a/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/SelectGroupHandler.java
+++ b/apps/scalablegateway/src/main/java/org/onosproject/scalablegateway/impl/SelectGroupHandler.java
@@ -125,7 +125,6 @@
      * @param deviceId target device id to update the group
      * @param nodeList updated gateway node list for bucket action
      * @param isInsert update type(add or remove)
-     * @return result of process
      */
     public void updateGatewayGroupBuckets(DeviceId deviceId,
                                           List<GatewayNode> nodeList,