message: hangouts chat: clean up PR
diff: @@ -159,6 +159,7 @@ function GoogleHangoutsBot(configuration) {
  });
  google_hangouts_botkit.middleware.spawn.use(function(worker, next) {
  +
  let params = {
  scopes: 'https://www.googleapis.com/auth/chat.bot',
  ...configuration.google_auth_params
  