Remove WebSocket headers and tool payloads from info logs (#48686)

Stop logging response headers on successful WebSocket connections and payload
previews for tool calls. Keep the connection URL, tool name, and thread ID in
their respective log entries.

GitOrigin-RevId: 1d410b6aef8f12153da9bfc60c515b8e797a9de0

codex-rs/codex-api/src/endpoint/responses_websocket.rs

@@ -515,10 +515,7 @@ async fn connect_websocket(
 
     let (stream, response) = match response {
         Ok((stream, response)) => {
-            info!(
-                "successfully connected to websocket: {url}, headers: {:?}",
-                response.headers()
-            );
+            info!("successfully connected to websocket: {url}");
             (stream, response)
         }
         Err(err) => {