Revert "CQM 136: adding cumulativeMedicationDuration element on import"

This reverts commit 8f9e5722e3cc5cc89ced742ae014c738c3253a13.

Temporary measure to conform with what cypress currently expects
Adding commit 8f9e5722e3cc5cc89ced742ae014c738c3253a13 back in

Revert "Revert "CQM 136: adding cumulativeMedicationDuration element on import""

This reverts commit 8b44ce253ef779bc18d6ace5ced8b0295698738d.