Make lint happy.

Author: jmdobry

pubsub/system-test/subscriptions.test.js

@@ -117,11 +117,10 @@ describe(`pubsub:subscriptions`, () => {
  const subscriptions = require('../subscriptions');
  const expected = `Hello, world!`;
  const publishedMessageIds = [];
- let firstMessageIds, secondMessageIds, thirdMessageIds;
 
  async.waterfall([
  (cb) => {
- pubsub.topic(topicName).publish({ data: expected, attributes: { counterId: '3' } }, cb)
+ pubsub.topic(topicName).publish({ data: expected, attributes: { counterId: '3' } }, cb);
  },
  (messageIds, apiResponse, cb) => {
  publishedMessageIds.push(messageIds[0]);