### Summary `out_shell_pe_translation_parameters` appears twice in a row, see [here](https://.com/nipy/nipype/blob/450be34b4540a0c3c6761cc04cc9132fdac5f5c8/nipype/interfaces/fsl/epi.py#L848) line 848 & line 854. Seems it hasn't caused any errors, but maybe we want to remove the redundant one? @djarecka