Remove obsolete DomContentLoaded EventListener

app/assets/javascripts/pages/projects/pipelines/new/index.js

@@ -3,17 +3,15 @@ import NewBranchForm from '~/new_branch_form';
 import setupNativeFormVariableList from '~/ci_variable_list/native_form_variable_list';
 import initNewPipeline from '~/pipeline_new/index';
 
-document.addEventListener('DOMContentLoaded', () => {
-  const el = document.getElementById('js-new-pipeline');
+const el = document.getElementById('js-new-pipeline');
 
-  if (el) {
-    initNewPipeline();
-  } else {
-    new NewBranchForm($('.js-new-pipeline-form')); // eslint-disable-line no-new
+if (el) {
+  initNewPipeline();
+} else {
+  new NewBranchForm($('.js-new-pipeline-form')); // eslint-disable-line no-new
 
-    setupNativeFormVariableList({
-      container: $('.js-ci-variable-list-section'),
-      formField: 'variables_attributes',
-    });
-  }
-});
+  setupNativeFormVariableList({
+    container: $('.js-ci-variable-list-section'),
+    formField: 'variables_attributes',
+  });
+}