GitLab

* decouples xlm_prophet from prophet and adds copy patterns that pass the copy check

* adds copy patterns to copied docstrings too

* restores autodoc for XLMProphetNetModel

* removes all-casing in a bunch of places to ensure that the model is compatible with all checkpoints on the hub

* adds missing model to main init

* adds autodocs to make document checker happy

* adds missing pretrained model import

* adds missing pretrained model import to main init

* adds XLMProphetNetPreTrainedModel to the dummy pt objects

* removes examples from the source-doc file since docstrings contain them already

* adds a missing new line to make check_repo happy