Gerry you always come up with the good ones. ha. ha. 
Brick on top of the concrete masonry unit is actually better than just CMU, in this case due the density capacity of the brick transfers the weight to the weak link in this case the CMU.
Not having shims would explain that it was set to elevation before the framing, which would mean, it has been there for a long time. Looks good to me.
Marcel 