'Remove books from the metadata list. This function must not communicate
with the device.
:param paths: paths to books on the device.
:param booklists: A tuple containing the result of calls to
(:meth:`books(oncard=None)`,
:meth:`books(oncard=\'carda\')`,
:meth`books(oncard=\'cardb\')`).'

@classmethod
def remove_books_from_metadata(cls, paths, booklists):

    raise NotImplementedError()
