Docs: Migrate entirely to PSF hosted plausible for analytics (pythonGH-132648)

(cherry picked from commit 1d529cb)

Co-authored-by: Ee Durbin <[email protected]>

Author: ewdurbin

Doc/tools/templates/layout.html

@@ -27,8 +27,7 @@
 
 {% block extrahead %}
     {% if builder == "html" and enable_analytics %}
-      <script defer data-domain="docs.python.org" src="https://plausible.io/js/script.js"></script>
-      <script defer data-domain="docs.python.org" src="https://analytics.python.org/js/script.js"></script>
+      <script defer data-domain="docs.python.org" src="https://analytics.python.org/js/script.outbound-links.js"></script>
     {% endif %}
     <link rel="canonical" href="https://docs.python.org/3/{{pagename}}.html">
     {% if builder != "htmlhelp" %}