code: public void serviceName_ips_ipAddress_DELETE(String serviceName, String ipAddress) throws IOException {
  		String qPath = "/vps/{serviceName}/ips/{ipAddress}";
  		StringBuilder sb = path(qPath, serviceName, ipAddress);
  		exec(qPath, "DELETE", sb.toString(), null);
  	}
docs: Release a given Ip (Additional Ip)
  
  REST: DELETE /vps/{serviceName}/ips/{ipAddress}
  @param serviceName [required] The internal name of your VPS offer
  @param ipAddress [required] The effective ip address of the Ip object