Revert "Change to moving average for bpm sync."
Revert "Change to moving average for bpm sync."

This reverts commit 7386dd246da7d1601569e43a4f3d6781399e009d.

brunchboy/afterglow,ryfow/afterglow,brunchboy/afterglow,dandaka/afterglow,brunchboy/afterglow,ryfow/afterglow,dandaka/afterglow