OPT: sct_fmri_compute_tsnr: removed moco (because more efficient if done with slicereg before)
OPT: sct_fmri_compute_tsnr: removed moco (because more efficient if done with slicereg before)

Former-commit-id: 9a48c61dd13ad30bba47229995525af75d51e1dc [formerly 1dd4870060d2cb31ac49e159160eb2a1f9408bc5]
Former-commit-id: 2be4394e08aeb69e8be5a52c76dd6635e4d69271
Former-commit-id: f00ed1e56e4e26b45db8b623d30b79b37519fc5d
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox