Sim.js to look at package.json for interactive-description support, clean up supported list by using package flag (wean out prototypes), https://github.com/phetsims/phet-io/issues/1628
Sim.js to look at package.json for interactive-description support, clean up supported list by using package flag (wean out prototypes), https://github.com/phetsims/phet-io/issues/1628

phetsims/scenery,phetsims/scenery,phetsims/scenery