Turbopack: include fewer traced files for standalone (#88322)
This removes quite a lot of files.
But some of them are simply needed because we load `build/swc/index.js`, e.g. the two following examples. Removing them would require some more refactoring.
<img width="1274" height="680" alt="Bildschirmfoto 2026-01-09 um 14 22 07" src="https://github.com/user-attachments/assets/2354b9f2-1bfd-438d-af54-e69e8934cbc4" />
<img width="1346" height="474" alt="Bildschirmfoto 2026-01-09 um 14 23 15" src="https://github.com/user-attachments/assets/8f516cd6-321e-4f9c-bade-19eed7093c88" />
