Remove link to the PDF downloads (python#139142)

(cherry picked from commit 6b5f156)

Author: AA-Turner

Doc/tools/templates/download.html

@@ -20,14 +20,6 @@ <h1>Download Python {{ release }} Documentation</h1>
 
 <table class="docutils">
   <tr><th>Format</th><th>Packed as .zip</th><th>Packed as .tar.bz2</th></tr>
-  <tr><td>PDF (US-Letter paper size)</td>
-    <td><a href="{{ dlbase }}/python-{{ release }}-docs-pdf-letter.zip">Download</a> (ca. 13 MiB)</td>
-    <td><a href="{{ dlbase }}/python-{{ release }}-docs-pdf-letter.tar.bz2">Download</a> (ca. 13 MiB)</td>
-  </tr>
-  <tr><td>PDF (A4 paper size)</td>
-    <td><a href="{{ dlbase }}/python-{{ release }}-docs-pdf-a4.zip">Download</a> (ca. 13 MiB)</td>
-    <td><a href="{{ dlbase }}/python-{{ release }}-docs-pdf-a4.tar.bz2">Download</a> (ca. 13 MiB)</td>
-  </tr>
   <tr><td>HTML</td>
     <td><a href="{{ dlbase }}/python-{{ release }}-docs-html.zip">Download</a> (ca. 9 MiB)</td>
     <td><a href="{{ dlbase }}/python-{{ release }}-docs-html.tar.bz2">Download</a> (ca. 6 MiB)</td>
@@ -44,6 +36,13 @@ <h1>Download Python {{ release }} Documentation</h1>
 
 <p>These archives contain all the content in the documentation.</p>
 
+<p>{% trans %}
+We no longer provide pre-built PDFs of the documentation.
+To build a PDF archive, follow the instructions in the
+<a href="https://devguide.python.org/documentation/start-documenting/#building-the-documentation">Developer's Guide</a>
+and run <code>make dist-pdf</code> in the <code>Doc/</code> directory of a copy of the CPython repository.
+{% endtrans %}</p>
+
 
 <h2>Unpacking</h2>