message: refactor: filter out the common error by error field
diff: @@ -160,6 +160,9 @@ export namespace Auth {
  export function validate(option: { accessToken: string, clientToken?: string }, api: API = API_MOJANG): Promise<boolean> {
  return request(api.hostName, api.validate, Object.assign({}, option))
  .then((s) => s.body.error === undefined, (error) => {
  + if (error.error === "ForbiddenOperationException") {
  + return false;
  + }
  if (error.body) {
  if (error.body.errorMessage === "Invalid token" || error.body.errorMessage === "Invalid token.") {
  return false;
  