see if gtm automatically pushes pageview events without our own page-tracking code

app/assets/javascripts/discourse/initializers/page-tracking.js.es6

@@ -33,18 +33,5 @@ export default {
         window.ga('send', 'pageview', {page: url, title: title});
       });
     }
-
-    // And Google Tag Manager too
-    if (typeof window.dataLayer !== 'undefined') {
-      onPageChange((url, title) => {
-        window.dataLayer.push({
-          'event': 'virtualPageView',
-          'page': {
-            'title': title,
-            'url': url
-          }
-        });
-      });
-    }
   }
 };