Remove import of re library
Remove import of re library

Almost forgot to remove the import... strange since removing
re was one of the original objectives.

oesteban/mriqc,oesteban/mriqc,poldracklab/mriqc,poldracklab/mriqc,poldracklab/mriqc,oesteban/mriqc,oesteban/mriqc,poldracklab/mriqc