Update MergeMcEventCollTool.cxx: remove the obsolete conditions
@jchapman, my suspects are that the code can be updated like that as the way to find out the interaction vertex should be just using the beam particles.
Update MergeMcEventCollTool.cxx: remove the obsolete conditions
@jchapman, my suspects are that the code can be updated like that as the way to find out the interaction vertex should be just using the beam particles.