code: @Override
      public DeleteIndexFieldResult deleteIndexField(DeleteIndexFieldRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteIndexField(request);
      }
docs: <p>
  Removes an <code><a>IndexField</a></code> from the search domain. For more information, see <a
  href="http://docs.aws.amazon.com/cloudsearch/latest/developerguide/configuring-index-fields.html"
  target="_blank">Configuring Index Fields</a> in the <i>Amazon CloudSearch Developer Guide</i>.
  </p>
  
  @param deleteIndexFieldRequest
  Container for the parameters to the <code><a>DeleteIndexField</a></code> operation. Specifies the name of
  the domain you want to update and the name of the index field you want to delete.
  @return Result of the DeleteIndexField operation returned by the service.
  @throws BaseException
  An error occurred while processing the request.
  @throws InternalException
  An internal error occurred while processing the request. If this problem persists, report an issue from
  the <a href="http://status.aws.amazon.com/" target="_blank">Service Health Dashboard</a>.
  @throws InvalidTypeException
  The request was rejected because it specified an invalid type definition.
  @throws ResourceNotFoundException
  The request was rejected because it attempted to reference a resource that does not exist.
  @sample AmazonCloudSearch.DeleteIndexField