'Delete attributes from a given subject.'

@RPCWrapper
def DeleteAttributes(self, request, unused_response):

    timestamp = self.FromTimestampSpec(request.timestamp)
    subject = request.subject[0]
    sync = request.sync
    token = request.token
    attributes = [v.attribute for v in request.values]
    (start, end) = timestamp
    self.db.DeleteAttributes(subject, attributes, start=start, end=end, token=token, sync=sync)
