Explicitly return NO CONTENT type response for http DELETE request

Change-Id: I920084b92197bb1687e7d978ad350b2e1290ecbc
diff --git a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
index 8940463..bd6c2c9 100644
--- a/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
+++ b/apps/openstacknetworking/web/src/main/java/org/onosproject/openstacknetworking/web/OpenstackFloatingIpWebResource.java
@@ -125,7 +125,7 @@
      * Delete FloatingIP.
      *
      * @param id FloatingIP identifier
-     * @return 200 OK
+     * @return 204 OK
      */
     @DELETE
     @Path("{id}")
@@ -139,7 +139,7 @@
 
         log.debug("REST API DELETE floatingip is called {}", id);
 
-        return Response.status(Response.Status.OK).build();
+        return Response.noContent().build();
     }
 
 }