Fixed to allow json media type header for ML2 delete postcommits

Change-Id: I7f90214d0c13dfa0c91cf9066b26ca21058226e8
diff --git a/src/main/java/org/onosproject/cordvtn/rest/NeutronMl2NetworksWebResource.java b/src/main/java/org/onosproject/cordvtn/rest/NeutronMl2NetworksWebResource.java
index c5c3181..57c16d9 100644
--- a/src/main/java/org/onosproject/cordvtn/rest/NeutronMl2NetworksWebResource.java
+++ b/src/main/java/org/onosproject/cordvtn/rest/NeutronMl2NetworksWebResource.java
@@ -58,6 +58,7 @@
 
     @DELETE
     @Path("{id}")
+    @Consumes(MediaType.APPLICATION_JSON)
     @Produces(MediaType.APPLICATION_JSON)
     public Response deleteNetwork(@PathParam("id") String id) {
         log.trace(String.format(NETWORKS_MESSAGE, "delete"));