Remove HttpConnectionState::response_queue_mutex

src/http_handler.cpp

@@ -68,8 +68,6 @@ void HttpHandler::on_preprocess_writes(
 
   // Process incoming responses and add to reorder queue
   {
-    std::lock_guard lock(state->response_queue_mutex);
-
     for (auto &pending : pending_responses) {
       auto *ctx = static_cast<HttpResponseContext *>(pending.protocol_context);
 

src/http_handler.hpp

@@ -92,7 +92,6 @@ struct HttpConnectionState {
   std::deque<HttpRequestState> queue;
 
   // Response ordering for HTTP pipelining
-  std::mutex response_queue_mutex;
   std::map<int64_t, ResponseData>
       ready_responses; // sequence_id -> response data
   int64_t next_sequence_to_send = 0;