code: public DeletedCertificateBundle deleteCertificate(String vaultBaseUrl, String certificateName) {
          return deleteCertificateWithServiceResponseAsync(vaultBaseUrl, certificateName).toBlocking().single().body();
      }
docs: Deletes a certificate from a specified key vault.
  Deletes all versions of a certificate object along with its associated policy. Delete certificate cannot be used to remove individual versions of a certificate object. This operation requires the certificates/delete permission.
  
  @param vaultBaseUrl The vault name, for example https://myvault.vault.azure.net.
  @param certificateName The name of the certificate.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws KeyVaultErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the DeletedCertificateBundle object if successful.