migrate projects:releases:edit to static bundle

app/assets/javascripts/dispatcher.js

@@ -53,11 +53,6 @@ var Dispatcher;
         case 'projects:merge_requests:edit':
           shortcut_handler = true;
           break;
-        case 'projects:releases:edit':
-          import('./pages/projects/releases/edit')
-            .then(callDefault)
-            .catch(fail);
-          break;
         case 'projects:merge_requests:show':
           shortcut_handler = true;
           break;

app/assets/javascripts/pages/projects/releases/edit/index.js

 import initForm from '~/pages/projects/init_form';
 
-export default initForm($('.release-form'));
+document.addEventListener('DOMContentLoaded', () => initForm($('.release-form')));