Remove links to too old Editor's Draft in Understanding SC 4.1.2 (#4261)

Following related resources are too old:

- https://www.w3.org/WAI/PF/roadmap/
- https://www.w3.org/WAI/PF/GUI/

EDIT (PHL): substituted with links to

- https://www.w3.org/TR/wai-aria/
- https://www.w3.org/TR/html-aria/
- https://www.w3.org/WAI/ARIA/apg/

---------

Co-authored-by: Patrick H. Lauke <[email protected]>
Co-authored-by: Mike Gower <[email protected]>

Author: 3 people

understanding/20/name-role-value.html

@@ -71,13 +71,16 @@ <h2>Examples of Name, Role, Value</h2>
       <h2>Resources for Name, Role, Value</h2>
       <ul>
          <li>
-            <a href="https://www.w3.org/WAI/PF/roadmap/">Dynamic Accessible Web Content Roadmap</a>
+            <a href="https://www.w3.org/TR/wai-aria/">Web Accessibility Initiative - Accessible Rich Internet Applications (ARIA)</a>
          </li>
          <li>
-            <a href="https://www.w3.org/WAI/PF/GUI/">Role Taxonomy for Accessible Adaptable Applications</a>
+             <a href="https://www.w3.org/TR/html-aria/">ARIA in HTML</a>
          </li>
          <li>
-            <a href="https://www.w3.org/TR/wai-aria/">Web Accessibility Initiative - Accessible Rich Internet Applications (ARIA)</a>
+             <a href="https://www.w3.org/TR/accname-1.2/">Accessible Name and Description Computation 1.2</a>
+         </li>
+         <li>
+             <a href="https://www.w3.org/WAI/ARIA/apg/">ARIA Authoring Practices Guide</a>
          </li>
       </ul>
    </section>