collab: Fix compilation error by removing dependency on livekit_client (#21744)
Thorsten Ball
and
Antonio
created
This fixes collab not being able to compile anymore for Linux:
https://github.com/zed-industries/zed/actions/runs/12236650046/job/34130962682
Release Notes:
- N/A
Co-authored-by: Antonio <antonio@zed.dev>