Preprocessing: no need to define mpm_maps section if not used
Preprocessing: no need to define mpm_maps section if not used

LREN-CHUV/data-factory-airflow-dags,LREN-CHUV/airflow-mri-preprocessing-dags,LREN-CHUV/data-factory-airflow-dags,LREN-CHUV/airflow-mri-preprocessing-dags