Revert "OPT: do not output qc when registering images with sct_segment_gm code"
Revert "OPT: do not output qc when registering images with sct_segment_gm code"

This reverts commit c4de11813de127d1be89d333491dd430be274780 [formerly 89383c4ceed1d66fb4f1dca726bba19bb6e3f5d9] [formerly 5356c199a3e5c8cdc990afb5d5b2c279f3987edb] [formerly f45652982076ea670792f3ae3e99938427227929 [formerly 0d7d6d6073ebd292c1543a148fd591cea9023f32]].


Former-commit-id: 17ffaab8691a36ec2a580ac9b11e96d5f8f6458f [formerly caaf6c04e4584fabfafca2eb1bd7d2df8ddf4aa4]
Former-commit-id: 29fac1996bb0d50f3dd568e2eb65cdc7a7d5ece5
Former-commit-id: 2f222775a4c2d2d8d357296ce8cda1102526e7ca
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox