message: wrench: erase version_name on Firefox
diff: @@ -3,6 +3,7 @@ const config = require('config');
  /* eslint quotes: 0 */
  module.exports = Object.assign(require('./common.js'), {
  description: '__MSG_appDesc__',
  + version_name: undefined,
  default_locale: 'en',
  applications: {
  gecko: {
  