rpc: Remove llm module in favor of zed_llm_client (#28900)

This PR removes the `llm` module of the `rpc` crate in favor of using
the types from the `zed_llm_client`.

Release Notes:

- N/A

crates/rpc/src/llm.rs

@@ -1,35 +0,0 @@
-use serde::{Deserialize, Serialize};
-use strum::{Display, EnumIter, EnumString};
-
-pub const EXPIRED_LLM_TOKEN_HEADER_NAME: &str = "x-zed-expired-token";
-
-pub const MAX_LLM_MONTHLY_SPEND_REACHED_HEADER_NAME: &str = "x-zed-llm-max-monthly-spend-reached";
-
-#[derive(
-    Debug, PartialEq, Eq, Hash, Clone, Copy, Serialize, Deserialize, EnumString, EnumIter, Display,
-)]
-#[serde(rename_all = "snake_case")]
-#[strum(serialize_all = "snake_case")]
-pub enum LanguageModelProvider {
-    Anthropic,
-    OpenAi,
-    Google,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct LanguageModel {
-    pub provider: LanguageModelProvider,
-    pub name: String,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct ListModelsResponse {
-    pub models: Vec<LanguageModel>,
-}
-
-#[derive(Debug, Serialize, Deserialize)]
-pub struct PerformCompletionParams {
-    pub provider: LanguageModelProvider,
-    pub model: String,
-    pub provider_request: Box<serde_json::value::RawValue>,
-}

crates/rpc/src/rpc.rs

@@ -1,14 +1,12 @@
 pub mod auth;
 mod conn;
 mod extension;
-mod llm;
 mod message_stream;
 mod notification;
 mod peer;
 
 pub use conn::Connection;
 pub use extension::*;
-pub use llm::*;
 pub use notification::*;
 pub use peer::*;
 pub use proto;