git-secret-remove - removes files from index.
git secret remove [-c] <pathspec>...
git-secret-remove deletes files from .gitsecret/paths/mapping.cfg, so they won´t be encrypted or decrypted in the future. There´s also an option to delete existing encrypted versions of the files provided.
-c - deletes existing real encrypted files. -h - shows help.
Run man git-secret-remove to see this note.