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: https://github.com/nodejs/node/pull/27623


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