My Mom finally agreed to read mistborn, if I read the work and the glory book series. Finally all my family members old enough to read mistborn will have read it!
If you are talking about people's personal failings that they had, I don't think that they were edited out, and they weren't out of the Saints Volumes. The only change that makes it historical fiction is a ficticious family that accompanies the Smith's through out all of the church's history.
Proof: Only shards have seen the spirtual realm and obviously they are terrified to tell others of the danger that awaits there.
Theory: Roshar will collide into Scadrial.