Analytics: use GA4 site tag only (#1554)

config.yaml

@@ -3,6 +3,7 @@ disableKinds: [taxonomy, taxonomyTerm]
 theme: [docsy]
 disableAliases: true # We do redirects via Netlify's _redirects file
 enableGitInfo: true
+googleAnalytics: G-QZHM7YEG07
 
 # Language settings
 enableMissingTranslationPlaceholders: true
@@ -54,7 +55,6 @@ params:
   github_repo: https://github.com/open-telemetry/opentelemetry.io
   github_branch: main
   gcs_engine_id: bde3d634eca9cd335
-  googleAnalytics: [G-QZHM7YEG07, UA-154693307-1]
 
   ui:
     footer_about_disable: true

layouts/partials/google-analytics.html

@@ -1,16 +0,0 @@
-{{/* Global site tag (gtag.js) - Google Analytics */ -}}
-
-{{ with .Site.Params.GoogleAnalytics -}}
-
-{{ $ga_ids := . -}}
-
-<script async src="https://www.googletagmanager.com/gtag/js?id={{ index $ga_ids 0 }}"></script>
-<script>
-  window.dataLayer = window.dataLayer || [];
-  function gtag(){dataLayer.push(arguments);}
-  gtag('js', new Date());
-  {{ range $ga_ids }}
-  gtag('config', '{{ . }}');
-  {{- end }}
-</script>
-{{- end -}}

layouts/partials/hooks/head-end.html

@@ -1,3 +0,0 @@
-{{ if hugo.IsProduction -}}
-  {{ partial "google-analytics.html" . -}}
-{{ end -}}