Update Google Analytics ID (#3700)

* Phew

* not sure CI got properly triggered?

docs/source/_templates/layout.html

 {% extends "!layout.html" %}
 
-{%- block extrahead %}
-<!-- Google Analytics -->
-<script>
-  window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
-  ga('create', 'UA-90545585-1', 'auto');
-  ga('send', 'pageview');
-</script>
-<script async src='https://www.google-analytics.com/analytics.js'></script>
-<!-- End Google Analytics -->
-{{ super() }}
-{% endblock %}
-
 {% block sidebartitle %}
     <div class="version">
       <a href='https://pytorch.org/vision/versions.html'>{{ version }} &#x25BC</a>

docs/source/conf.py

@@ -127,6 +127,7 @@ html_theme_options = {
     'logo_only': True,
     'pytorch_project': 'docs',
     'navigation_with_keys': True,
+    'analytics_id': 'UA-117752657-2',
 }
 
 html_logo = '_static/img/pytorch-logo-dark.svg'