remove ``confounds_list`` outputs/inputs
remove ``confounds_list`` outputs/inputs

oesteban/fmriprep,oesteban/preprocessing-workflow,poldracklab/fmriprep,poldracklab/preprocessing-workflow,poldracklab/fmriprep,poldracklab/fmriprep,oesteban/fmriprep,poldracklab/preprocessing-workflow,oesteban/fmriprep,oesteban/preprocessing-workflow