message: remove redundant probably harmful method
diff: @@ -92,19 +92,6 @@ public class IndyJava {
  return true;
  }
  - //TODO: Is this redundant?
  - /**
  - * Throws an IndyException if the provided error code does not indicate success.
  - *
  - * @param err The error code to check.
  - * @throws IndyException Thrown if the error code does not indicate success.
  - */
  - protected static void checkCallback(int err) throws IndyException {
  -
  - ErrorCode errorCode = ErrorCode.valueOf(err);
  - if (! ErrorCode.Success.equals(errorCode)) throw IndyException.fromSdkError(err);
  - }
  -
  /**
  * Throws an IndyException if the provided error code does not indicate success.
  *
  