get rid of global namespace access, assert options aren't provided, remove unneeded pointer to enabledProperty, https://github.com/phetsims/scenery/issues/1340
get rid of global namespace access, assert options aren't provided, remove unneeded pointer to enabledProperty, https://github.com/phetsims/scenery/issues/1340

phetsims/sun,phetsims/sun,phetsims/sun