remove non-signed-up-registrants when in non-USA mode
remove non-signed-up-registrants when in non-USA mode

rdunlop/unicycling-registration,scotthue/unicycling-registration,rdunlop/unicycling-registration,rdunlop/unicycling-registration,rdunlop/unicycling-registration,scotthue/unicycling-registration,scotthue/unicycling-registration