[skip ci] roll back REFERENCES.md
[skip ci] roll back REFERENCES.md

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