validation_epoch_end is still mentionned in the documentation with version >= 2.0.0 while it has been removed from the code

[Yann-CV]

📚 Documentation

in https://lightning.ai/docs/pytorch/LTS/common/lightning_module.html#validation-epoch-level-metrics, it is mentioned about validation_epoch_end which have been removed since version >= 2.0.0

Instantiating this function will raise the error NotImplementedError: Support for validation_epoch_endhas been removed in v2.0.0.LitAutoEncoderimplements this method. You can use theon_validation_epoch_end hook instead. To access outputs, save them in-memory as instance attributes. You can find migration examples in https://github.com/Lightning-AI/lightning/pull/16520.

cc @lantiga @Borda