Remove flakey libponyc test (#3873)
Remove flakey libponyc test (#3873)


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