Remove explicit type parameters which can be inferred

Change-Id: I62cd4df252bab6208e1b1cd37f8f8757b0cfc17e
diff --git a/core/net/src/main/java/org/onosproject/net/topology/impl/DefaultTopologyProvider.java b/core/net/src/main/java/org/onosproject/net/topology/impl/DefaultTopologyProvider.java
index 5adec7c..9f03d4a 100644
--- a/core/net/src/main/java/org/onosproject/net/topology/impl/DefaultTopologyProvider.java
+++ b/core/net/src/main/java/org/onosproject/net/topology/impl/DefaultTopologyProvider.java
@@ -198,7 +198,7 @@
 
     @Override
     public void triggerRecompute() {
-        triggerTopologyBuild(Collections.<Event>emptyList());
+        triggerTopologyBuild(Collections.emptyList());
     }
 
     /**