doc: fix inconsistent server.listen documentation

The `net`, `tls`, `http` and `https` module have the same
`server.listen()` method, but have a different documenation.
Changed to a consistent link to the documentation of the `net` module.

PR-URL: https://github.com/nodejs/node/pull/16020


Reviewed-By: Bryan English <bryan@bryanenglish.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>