Issue #3097379 by andypost, lauriii: Remove deprecated markup from file module for D9

core/modules/file/templates/file-link.html.twig

@@ -15,6 +15,5 @@
 #}
 <span{{ attributes }}>{{ link }}</span>
 {% if file_size %}
-  {# @todo remove class before Drupal 9.0.0 #}
-  <span class="file-size">({{ file_size }})</span>
+  <span>({{ file_size }})</span>
 {% endif %}