nghttpd: Remove unused function

src/HttpServer.cc

@@ -308,7 +308,6 @@ public:
     }
     auto handler =
         make_unique<Http2Handler>(this, fd, ssl, get_next_session_id());
-    handler->setup_bev();
     if (!ssl) {
       if (handler->connection_made() != 0) {
         return;
@@ -575,8 +574,6 @@ struct ev_loop *Http2Handler::get_loop() const {
 
 Http2Handler::WriteBuf *Http2Handler::get_wb() { return &wb_; }
 
-int Http2Handler::setup_bev() { return 0; }
-
 void Http2Handler::start_settings_timer() {
   ev_timer_start(sessions_->get_loop(), &settings_timerev_);
 }

src/HttpServer.h

@@ -137,7 +137,6 @@ public:
   ~Http2Handler();
 
   void remove_self();
-  int setup_bev();
   void start_settings_timer();
   int on_read();
   int on_write();