docs: comment GA4 tag from config as we are triggering it from GTM

Author: danielbarion

docs/docusaurus.config.js

@@ -81,10 +81,10 @@ const config = {
         theme: {
           customCss: require.resolve('./src/css/custom.css'),
         },
-        gtag: {
-          trackingID: 'G-N15QWWS0MW',
-          anonymizeIP: false,
-        },
+        // gtag: {
+        //   trackingID: 'G-N15QWWS0MW',
+        //   anonymizeIP: false,
+        // },
         googleTagManager: {
           containerId: 'GTM-TH6VNCW',
         },