module progression cleanup

test plan:
 * automated tests pass

Change-Id: I03dab9e13968c49387a2956c1c827d12792883f2
Reviewed-on: https://gerrit.instructure.com/31255
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Simon Williams <simon@instructure.com>
Product-Review: Mark Severson <markse@instructure.com>
QA-Review: Mark Severson <markse@instructure.com>