BUG: Fix CIP_AVRatioTest
BUG: Fix CIP_AVRatioTest

This commit removes the part of the test that was most likely
copied from CIP_PAARatio but never implemented.

acil-bwh/SlicerCIP,acil-bwh/SlicerCIP,acil-bwh/SlicerCIP,acil-bwh/SlicerCIP