http2: do not override the allowHalfOpen option

The constructors of `tls.Server` and `Http2Server` call the super
constructors without options so the `allowHalfOpen` option is never used
regardless of its value.

PR-URL: #27623
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: lpinca

lib/internal/http2/core.js

@@ -2643,7 +2643,6 @@ function connectionListener(socket) {
 function initializeOptions(options) {
   assertIsObject(options, 'options');
   options = { ...options };
-  options.allowHalfOpen = true;
   assertIsObject(options.settings, 'options.settings');
   options.settings = { ...options.settings };