removed usages of vector pooling, since it seemed to be causing problems, see https://github.com/phetsims/energy-forms-and-changes/issues/156
removed usages of vector pooling, since it seemed to be causing problems, see https://github.com/phetsims/energy-forms-and-changes/issues/156

phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes