Remove obsolete DOMContentLoadedEventListener

app/assets/javascripts/pages/projects/jobs/index/index.js

 import Vue from 'vue';
 import GlCountdown from '~/vue_shared/components/gl_countdown.vue';
 
-document.addEventListener('DOMContentLoaded', () => {
-  const remainingTimeElements = document.querySelectorAll('.js-remaining-time');
-  remainingTimeElements.forEach(
+const remainingTimeElements = document.querySelectorAll('.js-remaining-time');
+remainingTimeElements.forEach(
   (el) =>
     new Vue({
       el,
@@ -15,5 +14,4 @@ document.addEventListener('DOMContentLoaded', () => {
         });
       },
     }),
-  );
-});
+);