Removed wrong argument for NetworkError constructor; (#4656)

lib/adapters/xhr.js

@@ -116,7 +116,7 @@ module.exports = function xhrAdapter(config) {
     request.onerror = function handleError() {
       // Real errors are hidden from us by the browser
       // onerror should only fire if it's a network error
-      reject(new AxiosError('Network Error', AxiosError.ERR_NETWORK, config, request, request));
+      reject(new AxiosError('Network Error', AxiosError.ERR_NETWORK, config, request));
 
       // Clean up request
       request = null;