Use diamond operator

Change-Id: Ie9a473caeb4409b8c7243544eb4c8852e017540f
diff --git a/apps/optical/src/main/java/org/onosproject/optical/OpticalPathProvisioner.java b/apps/optical/src/main/java/org/onosproject/optical/OpticalPathProvisioner.java
index d0af3b5..70c2ede 100644
--- a/apps/optical/src/main/java/org/onosproject/optical/OpticalPathProvisioner.java
+++ b/apps/optical/src/main/java/org/onosproject/optical/OpticalPathProvisioner.java
@@ -214,7 +214,7 @@
          */
         private List<ConnectPoint> getCrossConnectPoints(Path path) {
             boolean scanning = false;
-            List<ConnectPoint> connectPoints = new LinkedList<ConnectPoint>();
+            List<ConnectPoint> connectPoints = new LinkedList<>();
 
             for (Link link : path.links()) {
                 if (!isCrossConnectLink(link)) {