Remove broken prepaid test
Remove broken prepaid test

Now irrelevant since deprecated prepaids now will always be expired, having passed
the default end date.

Zerrien/codecombat,fabichoi/codecombat,fabichoi/codecombat,codecombat/codecombat,kidaa/codecombat,Zerrien/codecombat,kidaa/codecombat,icodegame/codecombat,javatlacati/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,Zerrien/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,icodegame/codecombat,fabichoi/codecombat,fabichoi/codecombat,kidaa/codecombat,javatlacati/codecombat,codecombat/codecombat,icodegame/codecombat,icodegame/codecombat,codecombat/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,Zerrien/codecombat,jeremiahyan/codecombat,codecombat/codecombat,kidaa/codecombat,codecombat/codecombat