Removed the last traces of the MessageDamper.

Also removed the TimedCache that used to be used by the MessageDamper.

Change-Id: I9592267c408a551fd6232bd92dea6e9486e94480
diff --git a/src/test/java/net/onrc/onos/core/flowprogrammer/FlowPusherTest.java b/src/test/java/net/onrc/onos/core/flowprogrammer/FlowPusherTest.java
index 28b445c..ab11188 100644
--- a/src/test/java/net/onrc/onos/core/flowprogrammer/FlowPusherTest.java
+++ b/src/test/java/net/onrc/onos/core/flowprogrammer/FlowPusherTest.java
@@ -52,7 +52,7 @@
     private OFFactory factory10 = OFFactories.getFactory(OFVersion.OF_10);
 
     /**
-     * Test single OFMessage is correctly sent to single switch via MessageDamper.
+     * Test single OFMessage is correctly sent to single switch.
      */
     @Test
     public void testAddMessage() {
@@ -95,7 +95,7 @@
     }
 
     /**
-     * Test bunch of OFMessages are correctly sent to single switch via MessageDamper.
+     * Test bunch of OFMessages are correctly sent to single switch.
      */
     @Test
     public void testMassiveAddMessage() {