Revert "feat: Add Google Analytics 4 tracking (G-WLP5QQ5CWR)"

This reverts commit e3cf421.

Author: rz1989s

src/components/Head.astro

@@ -107,12 +107,3 @@ const schemaOrg = {
 
 {/* Schema.org JSON-LD */}
 <script type="application/ld+json" set:html={JSON.stringify(schemaOrg)} />
-
-{/* Google Analytics 4 */}
-<script async src="https://www.googletagmanager.com/gtag/js?id=G-WLP5QQ5CWR"></script>
-<script>
-  window.dataLayer = window.dataLayer || [];
-  function gtag(){dataLayer.push(arguments);}
-  gtag('js', new Date());
-  gtag('config', 'G-WLP5QQ5CWR');
-</script>