Revert "Add options for shape customization, see: https://github.com/phetsims/scenery-phet/issues/743"
Revert "Add options for shape customization, see: https://github.com/phetsims/scenery-phet/issues/743"

This reverts commit 4ec5b582

phetsims/scenery-phet,phetsims/scenery-phet,phetsims/scenery-phet