message: Remove temporary check
  Summary:
  Remove temporary check that is not needed since export_for_ipu_serving
  in Keras supports output_names.
  Ref T63215
  Reviewers: #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved, georgep
  Maniphest Tasks: T63215
diff: @@ -421,9 +421,4 @@ def export_keras(model, export_dir, batch_size=None, output_names=None):
  "does not contain IPU-specific functions. Please wrap its "
  "creation inside an IPU strategy.")
  - # TODO(T63215): This is a temporary check - will be removed as soon as change
  - # for output_names support is merged in the Keras repository!
  - if len(inspect.signature(model.export_for_ipu_serving).parameters) == 3:
  return model.export_for_ipu_serving(export_dir, batch_size, output_names)
  - else:
  - return model.export_for_ipu_serving(export_dir, batch_size)
  