B2OC: Reduce rate of Xib2Dph lines
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Reduce rate of Xib2Dph lines:
XibmToDmPK_DmToHHHXibmToDmPPi_DmToHHHXibmToDsmPK_DsmToHHHXibmToDsmPPi_DsmToHHHXibmToDstmPK_DstmToD0Pi_D0ToHHXibmToDstmPPi_DstmToD0Pi_D0ToHHStop using all HH or HHH decays and use only CF decays, i.e. D^+ \to K^- \pi^+ \pi^+, D_s^+ \to K^+ K^- \pi^+, D^0 \to K^- \pi^+.
Tighten the PID on all tracks, including adding a (PIDK - PIDp) cut to protons.
cc: @mwhitehe