Small fixes to IntentService and perf-installer

Change-Id: I7f1fedd96e5154254aa1db205e9427ac122bfc39
diff --git a/core/api/src/main/java/org/onosproject/net/intent/IntentService.java b/core/api/src/main/java/org/onosproject/net/intent/IntentService.java
index aed7ad0..9ccb84f 100644
--- a/core/api/src/main/java/org/onosproject/net/intent/IntentService.java
+++ b/core/api/src/main/java/org/onosproject/net/intent/IntentService.java
@@ -56,7 +56,7 @@
      * @param key key of the intent
      * @return intent object if the key is found, null otherwise
      */
-    public Intent getIntent(Key key);
+    Intent getIntent(Key key);
 
     /**
      * Returns an iterable of intents currently in the system.