Remove dummy CircleCI config file.
Remove dummy CircleCI config file.

dipinhora/ponyc,dipinhora/ponyc,sgebbie/ponyc,jemc/ponyc,ponylang/ponyc,dipinhora/ponyc,sgebbie/ponyc,jemc/ponyc,sgebbie/ponyc,sgebbie/ponyc,jemc/ponyc,ponylang/ponyc,sgebbie/ponyc,ponylang/ponyc