remove surplus hadint lines to lower the rate
remove the D0->Kpi and D0->Kpipipi hadronic interaction lines, as they have a high rate and the only needed lines are Dst->(D0->Kpi)pi and Dst->(D0->Kpipipi)pi
remove the D0->Kpi and D0->Kpipipi hadronic interaction lines, as they have a high rate and the only needed lines are Dst->(D0->Kpi)pi and Dst->(D0->Kpipipi)pi