OPT: removed the split data option
OPT: removed the split data option

Former-commit-id: b9e2e1907bc178cf04aa6ea06a3ac367c0a714b1
Former-commit-id: 7bbba84754999c4db4e7f573ae7c250ee81a51f4
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox