Update src/04-modality-specific-files/01-magnetic-resonance-imaging-d…

…ata.md

Co-Authored-By: Oscar Esteban <code@oscaresteban.es>

src/04-modality-specific-files/01-magnetic-resonance-imaging-data.md

@@ -217,7 +217,6 @@ type `sbref` (e.g. `sub-control01_task-nback_sbref.nii.gz`).
 Each task has a unique label that MUST only consist of letters and/or numbers
 (other characters, including spaces and underscores, are not allowed).
 Those labels MUST be consistent across subjects and sessions.
-labels MUST be consistent across subjects and sessions.
 
 If more than one run of the same task has been acquired a key/value pair:
 `_run-1`, `_run-2`, `_run-3` etc. MUST be used. If only one run was acquired the