removal of rhino

Hi! I would like to remove rhino, and substitute it by nashorn. However, that is dead end too. In future, it can be replaced byJS on graal. Generally - all this JS depndencies, are because of https://docs.oracle.com/javase/7/docs/technotes/guides/jweb/networking/proxie_config.html#automatic

What about dropping this feature at all? thoughts?