prioritize voices so that google is first, Fred is last, and move removal of duplicate voices to populateVoices, see https://github.com/phetsims/scenery/issues/1282
prioritize voices so that google is first, Fred is last, and move removal of duplicate voices to populateVoices, see https://github.com/phetsims/scenery/issues/1282

phetsims/scenery,phetsims/scenery,phetsims/scenery