Remove obsolete code from build_model
Remove obsolete code from build_model

bnaul/mltsp,bnaul/mltsp,bnaul/mltsp,bnaul/mltsp,mltsp/mltsp,acrellin/mltsp,mltsp/mltsp,acrellin/mltsp,acrellin/mltsp,mltsp/mltsp,acrellin/mltsp,bnaul/mltsp,mltsp/mltsp,mltsp/mltsp,mltsp/mltsp,acrellin/mltsp,bnaul/mltsp,acrellin/mltsp