fix: simplify requirements info

templates/_partials/_assignment_requirements_info.html.twig

@@ -22,12 +22,5 @@
                 {% endif %}
             </div>
         </li>
-    {% else %}
-        <li class="py-2">
-            <div class="flex items-center justify-between">
-                <span class="flex-1">Keine</span>
-                {{ icon('check', 'w-5 h-5 text-green-500 shrink-0') }}
-            </div>
-        </li>
     {% endfor %}
 </ul>