Mark the vert.x event bus bridge - java example as non polyglot.

Author: cescoffier

web-examples/codetrans-config.json

@@ -48,11 +48,15 @@
       "package": "io.vertx.example.web.realtime"
     },
 
+    {
+      "package": "io.vertx.example.web.vertxbus.java"
+    },
+
     // Rest, JS only
     {
       "package": "io.vertx.example.web.rest",
       "langs": ["js"]
     }
 
   ]
-}
+}