cleaning sct_propseg
cleaning sct_propseg


Former-commit-id: 891dbf5d6713abbf6f91ad568e7655837f183621
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox