chore: remove unused variables and tracing dependency in nvim-core

nvim-core/src/lib.rs

@@ -524,20 +524,7 @@ pub async fn run_mcp_loop(app_name: &str, app_version: &str) {
         let app_version = app_version.to_string();
 
         tokio::spawn(async move {
-            let id = msg.id.clone().unwrap_or(json!(null));
-            let id_clone = id.clone();
-            let start_time = std::time::Instant::now();
-            let method_clone = if msg.method == "tools/call" {
-                let tool_name = msg
-                    .params
-                    .as_ref()
-                    .and_then(|p| p.get("name"))
-                    .and_then(|n| n.as_str())
-                    .unwrap_or("unknown");
-                format!("ToolCall[{tool_name}]")
-            } else {
-                msg.method.clone()
-            };
+            let id = msg.id.unwrap_or(json!(null));
 
             match msg.method.as_str() {
                 "initialize" => {
@@ -1026,13 +1013,6 @@ pub async fn run_mcp_loop(app_name: &str, app_version: &str) {
                     }
                 }
             }
-            let elapsed = start_time.elapsed();
-            tracing::info!(
-                "<<< [Nvim] {} (id: {}) completed in {:?}",
-                method_clone,
-                id_clone,
-                elapsed
-            );
         });
     }
 }