An authorized user can uninstall a custom file from ML Engine in the default schema, public schema, or both.
Uninstall a custom file from the public schema only when you are sure that no other users need that file.
Uninstall the file from the default schema:
CALL PM.REMOVE_AFILE ('file_name.txt')
Uninstall the file from the public schema:
CALL PM.REMOVE_AFILE_FROM_PUBLIC ('file_name.txt')