Revert "c++ HyperParams class"
Revert "c++ HyperParams class"

This reverts commit e3ddca330eeae5384ed9c4e4d143fb0102c49ef1.

ExaScience/bpmf,ExaScience/bpmf,ExaScience/bpmf,ExaScience/bpmf,ExaScience/bpmf