Remove AsyncResp from openHandler

This change, moving the openHandler back to only supporting websocket
disconnects and not 404s.Because AsyncResp is removed from openHandler.

Tested:
(from previous commit) Opened KVM in webui-vue and it works.

Signed-off-by: zhanghaicheng <zhanghch05@inspur.com>
Signed-off-by: Ed Tanous <edtanous@google.com>
Change-Id: I793f05836aeccdc275b7aaaeede41b3a2c276595
diff --git a/include/nbd_proxy.hpp b/include/nbd_proxy.hpp
index e0a0111..9f46c03 100644
--- a/include/nbd_proxy.hpp
+++ b/include/nbd_proxy.hpp
@@ -255,8 +255,7 @@
 {
     BMCWEB_ROUTE(app, "/nbd/<str>")
         .websocket()
-        .onopen([](crow::websocket::Connection& conn,
-                   const std::shared_ptr<bmcweb::AsyncResp>& asyncResp) {
+        .onopen([](crow::websocket::Connection& conn) {
             BMCWEB_LOG_DEBUG << "nbd-proxy.onopen(" << &conn << ")";
 
             auto getUserInfoHandler = [&conn, asyncResp](