'Delete seen entry by ID'

@api.response(200, u'Successfully    deleted    entry', model=base_message_schema)
def delete(self, seen_entry_id, session):

    try:
        entry = seen.get_entry_by_id(seen_entry_id, session=session)
    except NoResultFound:
        raise NotFoundError(u'Could    not    delete    entry    ID    {0}'.format(seen_entry_id))
    forget_by_id(entry.id, session=session)
    return success_response(u'successfully    deleted    seen    entry    {}'.format(seen_entry_id))
