Revert "Serverless workers: docs, deployment guide, and interactive demo (#4395)" (#4404)

This reverts commit 718538d.

Author: lennessyy

docs/develop/go/workers/index.mdx

@@ -19,5 +19,4 @@ import * as Components from '@site/src/components';
 
 - [Worker processes](/develop/go/workers/run-worker-process)
 - [Cloud Worker](/develop/go/workers/cloud-worker)
-- [Sessions](/develop/go/workers/sessions)
-- [Serverless workers](/develop/go/workers/serverless-workers)
+- [Sessions](/develop/go/workers/sessions)