Remove rocks and bushes from map?
... is this possible to delete i like

del assets/bundled/prefabs/ ...

Its prefabs, not BaseEntitie-s. You can't remove them in-game, only in map editor
5ba216a6d7f65.png Orange
Its prefabs, not BaseEntitie-s. You can't remove them in-game, only in map editor

thanks :) and where i find a map editor ?

You could run a barren map seed.
@BennyThrydurps  Rust Edit