ENH: update `setuptools` classifiers
ENH: update `setuptools` classifiers

villrv/MOSFiT,guillochon/MOSFiT,mnicholl/MOSFiT,guillochon/FriendlyFit,bmockler/MOSFiT,bmockler/MOSFiT,guillochon/MOSFiT,villrv/MOSFiT,mnicholl/MOSFiT,guillochon/MOSFiT,mnicholl/MOSFiT