recitfy node template classes and node-based body classes

templates/content/node.html.twig

@@ -73,11 +73,9 @@
 {%
   set classes = [
     'node',
-    'node--type-' ~ node.bundle|clean_class,
-    node.isPromoted() ? 'node--promoted',
-    node.isSticky() ? 'node--sticky',
+    'node--type--' ~ node.bundle|clean_class,
     not node.isPublished() ? 'node--unpublished',
-    view_mode ? 'node--view-mode-' ~ view_mode|clean_class,
+    view_mode ? 'node--view-mode--' ~ view_mode|clean_class,
   ]
 %}
 

wcm8_theme.theme

@@ -143,11 +143,10 @@
 function wcm8_theme_preprocess_html(array &$variables) {
   // Add footer color to body classes.
   $variables['attributes']['class'][] = 'footer-color--' . theme_get_setting('footer_color');
-  // Add node id and type to body classes.
+  // Add node id to body classes.
   if (\Drupal::routeMatch()->getRouteName() == 'entity.node.canonical') {
     $node = \Drupal::routeMatch()->getParameter('node');
-    $variables['attributes']['class'][] = 'node-id--' . $node->id();
-    $variables['attributes']['class'][] = 'node-type--' . $node->bundle();
+    $variables['attributes']['class'][] = 'nid--' . $node->id();
   }
 }