code: @Override
      public DeleteLayerVersionResult deleteLayerVersion(DeleteLayerVersionRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteLayerVersion(request);
      }
docs: <p>
  Deletes a version of an <a href="https://docs.aws.amazon.com/lambda/latest/dg/configuration-layers.html">AWS
  Lambda layer</a>. Deleted versions can no longer be viewed or added to functions. To avoid breaking functions, a
  copy of the version remains in Lambda until no functions refer to it.
  </p>
  
  @param deleteLayerVersionRequest
  @return Result of the DeleteLayerVersion operation returned by the service.
  @throws ServiceException
  The AWS Lambda service encountered an internal error.
  @throws TooManyRequestsException
  Request throughput limit exceeded.
  @sample AWSLambda.DeleteLayerVersion
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/lambda-2015-03-31/DeleteLayerVersion" target="_top">AWS API
  Documentation</a>