code: @Override
      public DeleteAliasResult deleteAlias(DeleteAliasRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteAlias(request);
      }
docs: <p>
  Deletes a Lambda function <a
  href="https://docs.aws.amazon.com/lambda/latest/dg/versioning-aliases.html">alias</a>.
  </p>
  
  @param deleteAliasRequest
  @return Result of the DeleteAlias operation returned by the service.
  @throws ServiceException
  The AWS Lambda service encountered an internal error.
  @throws InvalidParameterValueException
  One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda
  to assume in the <code>CreateFunction</code> or the <code>UpdateFunctionConfiguration</code> API, that
  AWS Lambda is unable to assume you will get this exception.
  @throws TooManyRequestsException
  Request throughput limit exceeded.
  @sample AWSLambda.DeleteAlias
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/lambda-2015-03-31/DeleteAlias" target="_top">AWS API
  Documentation</a>