zed_llm_client
cloud_llm_client
This PR replaces the usage of the `zed_llm_client` with the `cloud_llm_client`. It was ported into this repo in #35307. Release Notes: - N/A
This breaks a transitive dependency of `agent` on UI crates. I've also found and eliminated some dead code in assistant_context_editor. Release Notes: - N/A