public function removeCertificates()
{
$sock = $this->getSocket();
$sock->set_method('POST');
$sock->query('/CMD_API_SSL', ['domain' => $this->getDomain(), 'action' => 'save', 'type' => 'server', 'submit' => 'Save']);
$result = $sock->fetch_parsed_body();
if ($result['error'] != 0) {
throw new \Exception('Error while executing first API request: ' . $result['details']);
}
}