remove brittle and mostly useless flatfile-to-json.pl.t test for number of classes in interval in json
remove brittle and mostly useless flatfile-to-json.pl.t test for number of classes in interval in json

GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test,GreggHelt2/apollo-test