Trim regression utils (#2469)
Trim regression utils (#2469)

* removed 0.1 specific functions

* consolidated y and ys cases

cseed/hail,cseed/hail,cseed/hail,hail-is/hail,cseed/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,danking/hail,hail-is/hail,cseed/hail,danking/hail,danking/hail,danking/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,cseed/hail,cseed/hail,hail-is/hail,danking/hail,danking/hail