[IMP] web: remove useless service name

We use the registry keys as name for the services.

addons/bus/static/src/js/services/bus_service.js

@@ -7,7 +7,6 @@ var AbstractService = require('web.AbstractService');
 var core = require('web.core');
 
 var BusService =  AbstractService.extend({
-    name: 'bus_service',
     /**
      * @override
      */