refactor(core): remove GA page views report (#1071)

- Google Analytics superProxy has been archived and is no longer maintained.
- Google Analytics UA end of life.

See also: https://support.google.com/analytics/answer/11583528?hl=en

assets/js/data/swcache.js

@@ -47,8 +47,4 @@ const allowedDomains = [
 ];
 
 /* Requests that include the following path will be banned */
-const denyUrls = [
-    {% if site.google_analytics.pv.cache_path %}
-        '{{ site.google_analytics.pv.cache_path | absolute_url }}'
-    {% endif %}
-];
+const denyUrls = [];