INST: bug in requirements-- forgot to update .txt files with /install folder
INST: bug in requirements-- forgot to update .txt files with /install folder

Former-commit-id: 9c81cd52349a2cfe199d5be8e4181543638dcb9d
Former-commit-id: 56bc2bab33c2fad6d8b31cd3103e4f25862d652a
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox