remove unused javascript

app/javascript/new_design/messagerie.js

@@ -1,6 +1,6 @@
 import { scrollTo, scrollToBottom } from '@utils';
 
-export function scrollMessagerie() {
+function scrollMessagerie() {
   const ul = document.querySelector('.messagerie ul');
 
   if (ul) {

app/javascript/packs/application.js

@@ -29,14 +29,15 @@ import '../new_design/champs/carte';
 import '../new_design/champs/linked-drop-down-list';
 import '../new_design/champs/repetition';
 
-import { toggleCondidentielExplanation } from '../new_design/avis';
-import { scrollMessagerie } from '../new_design/messagerie';
+import {
+  toggleCondidentielExplanation,
+  replaceSemicolonByComma
+} from '../new_design/avis';
 import {
   showMotivation,
   motivationCancel,
   showImportJustificatif
 } from '../new_design/state-button';
-import { replaceSemicolonByComma } from '../new_design/avis';
 import {
   acceptEmailSuggestion,
   discardEmailSuggestionBox
@@ -46,7 +47,6 @@ import {
 const DS = {
   fire: (eventName, data) => Rails.fire(document, eventName, data),
   toggleCondidentielExplanation,
-  scrollMessagerie,
   showMotivation,
   motivationCancel,
   showImportJustificatif,

app/javascript/shared/rails-ujs-fix.js

@@ -1,26 +1,5 @@
-import Rails from '@rails/ujs';
 import jQuery from 'jquery';
 
-// `smart_listing` gem is overriding `$.rails.href` method. When using newer
-// jQuery-less version of rails-ujs it breaks.
-// https://github.com/Sology/smart_listing/blob/master/app/assets/javascripts/smart_listing.coffee.erb#L9
-addEventListener('load', () => {
-  const { href, handleRemote } = Rails;
-  Rails.href = function (element) {
-    return element.href || href(element);
-  };
-  Rails.handleRemote = function (e) {
-    if (this instanceof HTMLElement) {
-      handleRemote.call(this, e);
-    } else {
-      let element = e.find('[data-remote]')[0];
-      let event = new CustomEvent('click');
-      Object.defineProperty(event, 'target', { value: element });
-      return handleRemote.call(element, event);
-    }
-  };
-});
-
 // rails-ujs installs CSRFProtection for its own ajax implementation. We might need
 // CSRFProtection for jQuery initiated requests. This code is from jquery-ujs.
 jQuery.ajaxPrefilter((options, originalOptions, xhr) => {