Check if a listing is still active (#184)

* check if a listing is still active

* upgrade dependencies

lib/services/tracking/Tracker-Cron.js

@@ -1,17 +0,0 @@
-import cron from 'node-cron';
-import { config, inDevMode } from '../../utils.js';
-import { trackMainEvent } from './Tracker.js';
-
-async function runTask() {
-  //make sure to only send tracking events if the user gave us the green light and we are not in dev mode
-  if (config.analyticsEnabled && !inDevMode()) {
-    await trackMainEvent();
-  }
-}
-
-export async function initTrackerCron() {
-  //run directly on start
-  await runTask();
-  // then every 6 hours
-  cron.schedule('0 */6 * * *', runTask);
-}