[docs/stable-25-1] disable GTM (#20413)

Author: blinkov

ydb/docs/.yfm

@@ -23,11 +23,10 @@ docs-viewer:
   # no-index: true # Remove this after the public release
   langs: ['en','ru']
   themes: ['light', 'dark']
-  favicon-src: https://storage.yandexcloud.net/ydb-www-prod-site-assets/favicon-202305/favicon.ico
-  gtm:
-    id: GTM-W7ZBL4X
+  favicon-src: https://storage.yandexcloud.net/ydb-site-assets/favicon-202305/favicon.ico
   github-url-prefix: https://github.com/ydb-platform/ydb/tree/main/ydb/docs
   unrestrict-revision-access: true
+  metrika: 94806704
 
   logo-options:
     url: