Fixed to allow json media type header for ML2 delete postcommits

Change-Id: I7f90214d0c13dfa0c91cf9066b26ca21058226e8

@@ -58,6 +58,7 @@ public class NeutronMl2NetworksWebResource extends AbstractWebResource {
 
     @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"));

@@ -108,6 +108,7 @@ public class NeutronMl2PortsWebResource extends AbstractWebResource {
 
     @Path("{id}")
     @DELETE
+    @Consumes(MediaType.APPLICATION_JSON)
     @Produces(MediaType.APPLICATION_JSON)
     public Response deletePorts(@PathParam("id") String id) {
         log.trace(String.format(PORTS_MESSAGE, "delete"));

@@ -60,6 +60,7 @@ public class NeutronMl2SubnetsWebResource extends AbstractWebResource {
 
     @DELETE
     @Path("{id}")
+    @Consumes(MediaType.APPLICATION_JSON)
     @Produces(MediaType.APPLICATION_JSON)
     public Response deleteSubnet(@PathParam("id") String id) {
         log.trace(String.format(SUBNETS_MESSAGE, "delete"));