Replaced sct.mv with shutil.copyfile for tmp space issue (#2420)
Replaced sct.mv with shutil.copyfile for tmp space issue (#2420)

* sct_fmri_moco.py replace sct.mv with shutil.copyfile for tmp space issue

* sct_fmri_moco.py remove excess tab

* Need to import shutil


Former-commit-id: feb52ade9db59ab0318870baf1ca603701d5f339
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox