YANG Translator optimization

Change-Id: Ie6a6b9d371a4fc5fd973cf56d6f3c7b44a3146ba
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/utils/DataModelUtils.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/utils/DataModelUtils.java
index 8d94dfe..e736631 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/utils/DataModelUtils.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/datamodel/utils/DataModelUtils.java
@@ -63,7 +63,7 @@
             }
         }
         node = node.getChild();
-        while ((node != null)) {
+        while (node != null) {
             if (node instanceof CollisionDetector) {
                 ((CollisionDetector) node).detectSelfCollision(identifierName, dataType);
             }