[MAINTENANCE] Delete CommonRoom script from docs - load Posthog directly (#11514)

Author: gyermich

docs/docusaurus/docusaurus.config.js

@@ -31,8 +31,8 @@ module.exports = {
         apiKey: process.env.POSTHOG_API_KEY,
         enableInDevelopment: false,
         debug: false,
-        // pageviews are handled by the web-tracking.js script
-        capture_pageview: false,
+        // Use history_change for SPA pageview tracking
+        capture_pageview: 'history_change',
       }
     ],
   ],
@@ -43,10 +43,6 @@ module.exports = {
       async: true,
       defer: true
     },
-    {
-      src: '/scripts/web-tracking.js',
-      async: true
-    },
     {
       src: 'https://fast.wistia.net/assets/external/E-v1.js',
       async: true