url: remove javascript URL special case

Fixes: https://github.com/nodejs/node/issues/11485
PR-URL: https://github.com/nodejs/node/pull/12331


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>