languages: Remove broken pixi environment activation (#37915)
Closes [#ISSUE](https://github.com/zed-industries/zed/issues/37895)
This needs more thought behind it to be implemented properly
Release Notes:
- N/A
d110d325d4Lukas Wirth committed on 9/10/2025, 1:35:16 PM· committed by GitHubparent2cf3def