fix(aio): remove additional 'googlebot' reference (#23249)

according to https://developers.google.com/search/reference/robots_meta_tag
googlebot is only used as a google specific override of 'robots'- there's no need for override in this case

PR Close #23249

aio/src/index.html

@@ -33,8 +33,6 @@
 
   <script>
     // Dynamically, pre-emptively, add `noindex`, which will be removed when the doc is ready and valid
-    var tag = document.createElement('meta'); tag.name = 'googlebot'; tag.content = 'noindex';
-    document.head.appendChild(tag);
     tag = document.createElement('meta'); tag.name = 'robots'; tag.content = 'noindex';
     document.head.appendChild(tag);
   </script>