Update MM_Digitization package to use MMSimHit to produce digits (ATLASSIM-3755)
In 21.3, MMSimHit had been used in MM digitization. But the sweep to master was failed. So do the sweep by hand.
Edited by Jing Chen
In 21.3, MMSimHit had been used in MM digitization. But the sweep to master was failed. So do the sweep by hand.