gracefully remove files in `prod:copy` script
gracefully remove files in `prod:copy` script

deathping1994/moz-games,deathping1994/moz-games,potch/moz-games,mozilla/moz-games,potch/moz-games,mozilla/moz-gdc,chirilo/moz-games,chirilo/moz-games,mozilla/moz-gdc,mozilla/moz-games