func (c *Client) DeleteServer(dcid, srvid string) (*http.Header, error) {
	ret := &http.Header{}
	err := c.client.Delete(serverPath(dcid, srvid), ret, http.StatusAccepted)
	return ret, err
}
func (c *Client) DeleteServer(dcid, srvid string) (*http.Header, error) {
	ret := &http.Header{}
	err := c.client.Delete(serverPath(dcid, srvid), ret, http.StatusAccepted)
	return ret, err
}
// DeleteServer deletes the server where id=srvid and returns Resp struct