Tighten cut for `Hlt2RD_LbToPpKmPipPimMuMu_MVA`
Tighten cut to reduce the number of composites Changed cut:
- Dipions and Dimuons masswindow
- Tighter \chi^2_{\mathrm{DOCA}}
- Tighter protons and kaons selection
- Tighter Sum(PT) and Sum(IPCHI2)
Edited by Qi Shi