OPT: remove column "ID" in the output files
OPT: remove column "ID" in the output files

Former-commit-id: 554e9bbb770e2623668037bc9a16445e3bd86652
Former-commit-id: 6fcf1b225a7a61ce3afe5c6398e5a658248eaffe
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox