next.js

db552831 - Turbopack: remove the streaming hack for improved stability (#85858)

Turbopack: remove the streaming hack for improved stability (#85858) ### What? Remove the hack we use for streaming in turbo-tasks. We don't use the stream capability and the streaming hack causes some problems. fixes `Item already exists` error Closes https://github.com/vercel/next.js/issues/85833