Drop pagedown-bootstrap library and all its related code

app/assets/javascripts/application.js

@@ -11,7 +11,6 @@
 // about supported directives.
 //
 //= require turbolinks
-//= require pagedown_bootstrap
 //= require rails-timeago
 //= require locales/jquery.timeago.de.js
 //

app/assets/javascripts/forms.js

@@ -52,5 +52,4 @@ $(document).on('turbolinks:load', function() {
 // Remove some elements before going back to an older site. Otherwise, they might not work.
 $(document).on('turbolinks:before-cache', function() {
     $('.chosen-container').remove();
-    $('#wmd-button-row-description').remove();
 });

app/assets/javascripts/pagedown/pagedown.js.erb

@@ -1,43 +0,0 @@
-//= require markdown.converter
-//  markdown.editor is slightly adjusted to work with Bootstrap 4.
-//  Taken from https://github.com/hughevans/pagedown-bootstrap-rails, V2.1.4
-//= require markdown.editor
-//= require markdown.sanitizer
-//= require markdown.extra
-
-renderPagedown = function() {
-    $(".wmd-output").each(function (i) {
-        const converter = Markdown.getSanitizingConverter();
-        const content = $(this).html();
-        return $(this).html(converter.makeHtml(content));
-    })
-};
-
-createPagedownEditor = function( selector, context ) {
-    if (context == null) { context = 'body'; }
-    return $(selector, context).each(function(i, input) {
-        if ($(input).data('is_rendered')) {
-            return;
-        }
-        const attr = $(input).attr('id').split('wmd-input')[1];
-        const converter = Markdown.getSanitizingConverter();
-        Markdown.Extra.init(converter);
-        const help = {
-            handler() {
-                window.open('https://daringfireball.net/projects/markdown/syntax', '_blank');
-                return false;
-            },
-            title: "<%= I18n.t('components.markdown_editor.help', default: 'Markdown Editing Help') %>"
-        };
-
-        const editor = new Markdown.Editor(converter, attr, help);
-        editor.run();
-        $('[data-bs-toggle="tooltip"]').tooltip();
-        return $(input).data('is_rendered', true);
-    });
-};
-
-$(document).on('turbolinks:load', function() {
-    renderPagedown();
-    return createPagedownEditor('.wmd-input');
-});

app/assets/stylesheets/application.css

@@ -10,7 +10,6 @@
  * defined in the other CSS/SCSS files in this directory. It is generally better to create a new
  * file per style scope.
  *
- *= require pagedown_bootstrap
  *
  * lib/assets
  *= require flash

app/assets/stylesheets/forms.css.scss

@@ -31,7 +31,3 @@
 .toggle-input {
   font-size: 80%;
 }
-
-.wmd-preview {
-  background-color: var(--bs-secondary-bg);
-}