Fixed "Add a hack to remove 'F' from the Flow ID when the Flows are not routable."

Change-Id: I288f88c39147980403fe3a99e8ed75f04e2b0750
diff --git a/src/main/java/net/onrc/onos/datagrid/web/GetNGFlowsSummaryResource.java b/src/main/java/net/onrc/onos/datagrid/web/GetNGFlowsSummaryResource.java
index 0eed16c..cf02a12 100644
--- a/src/main/java/net/onrc/onos/datagrid/web/GetNGFlowsSummaryResource.java
+++ b/src/main/java/net/onrc/onos/datagrid/web/GetNGFlowsSummaryResource.java
@@ -69,8 +69,8 @@
 	    // Decode the Shortest Path ID
 	    String applnIntentId = parentIntent.getId();
 	    String intentId = applnIntentId.split(":")[1];
-	    // A hack for Flow IDs that are not routable
-	    intentId.replace("F", "");
+ 	    // A hack for Flow IDs that are not routable 
+	    intentId = intentId.replace("F", "");
 
 	    // Create the Flow Path
 	    FlowId flowId = new FlowId(intentId);