Can IONQ's post processing to remove measurements be moved up in the compiler pipeline?

[schweitzpgi]

Needs more investigation. It would be good to remove measurements before QIR codegen, I think. But there may be a reason not to.

Originally posted by @schweitzpgi in #3423 (comment)

[schweitzpgi]

The existing pass is written to only work after QIR conversion has already taken place.