code: public Request delete() {
          String url = baseUrl
                  .newBuilder()
                  .addPathSegments("api/v2/emails/provider")
                  .build()
                  .toString();
          VoidRequest request = new VoidRequest(client, url, "DELETE");
          request.addHeader("Authorization", "Bearer " + apiToken);
          return request;
      }
docs: Delete the existing Email Provider. A token with scope delete:email_provider is needed.
  See https://auth0.com/docs/api/management/v2#!/Emails/delete_provider
  
  @return a Request to execute.