+Make units argument mandatory for get_param_real#300

marshallward merged 3 commits into

NOAA-GFDL:dev/gfdlNOAA-GFDL/MOM6:dev/gfdlfrom

Hallberg-NOAA:mandatory_get_param_unitsHallberg-NOAA/MOM6:mandatory_get_param_unitsCopy head branch name to clipboard