def birth_remove_extra_mass(self, hmodel, SS, BirthResults):
    didChangeSS = False
    for MoveInfo in BirthResults:
      if MoveInfo['didAddNew']:
        extraSS = MoveInfo['extraSS']
        compIDs = MoveInfo['modifiedCompIDs']
        assert extraSS.K == len(compIDs)
        SS.subtractSpecificComps(extraSS, compIDs)
        didChangeSS = True
    if didChangeSS:
      hmodel.update_global_params(SS)
    return hmodel, SS
Adjust hmodel and suff stats to remove the "extra mass"
dataset/ETHPy150Open daeilkim/refinery/refinery/bnpy/bnpy-dev/bnpy/learnalg/MemoizedOnlineVBLearnAlg.py/MemoizedOnlineVBLearnAlg.birth_remove_extra_mass