  req, err := client.DeletePreparer(ctx, resourceGroupName, profileName, experimentName)  if err != nil {   err = autorest.NewErrorWithError(err, "frontdoor.ExperimentsClient", "Delete", nil, "Failure preparing request")   return  }   result, err = client.DeleteSender(req)  if err != nil {   err = autorest.NewErrorWithError(err, "frontdoor.ExperimentsClient", "Delete", result.Response(), "Failure sending request")   return  }   return }  // DeletePreparer prepares the Delete request. func (client Exp