code: @Override
      public DeleteWorkerBlockResult deleteWorkerBlock(DeleteWorkerBlockRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteWorkerBlock(request);
      }
docs: <p>
  The <code>DeleteWorkerBlock</code> operation allows you to reinstate a blocked Worker to work on your HITs. This
  operation reverses the effects of the CreateWorkerBlock operation. You need the Worker ID to use this operation.
  If the Worker ID is missing or invalid, this operation fails and returns the message “WorkerId is invalid.” If
  the specified Worker is not blocked, this operation returns successfully.
  </p>
  
  @param deleteWorkerBlockRequest
  @return Result of the DeleteWorkerBlock operation returned by the service.
  @throws ServiceException
  Amazon Mechanical Turk is temporarily unable to process your request. Try your call again.
  @throws RequestErrorException
  Your request is invalid.
  @sample AmazonMTurk.DeleteWorkerBlock
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/mturk-requester-2017-01-17/DeleteWorkerBlock"
  target="_top">AWS API Documentation</a>