code: func RemoveCASecrets(ca CertAuthority) {
  	ca.SetSigningKeys(nil)
  	keyPairs := ca.GetTLSKeyPairs()
  	for i := range keyPairs {
  		keyPairs[i].Key = nil
  	}
  	ca.SetTLSKeyPairs(keyPairs)
  }
docs: // RemoveCASecrets removes secret values and keys
  // from the certificate authority