Remove old doc

src/transformers/models/mobilebert/modeling_mobilebert.py

@@ -1115,8 +1115,6 @@ class MobileBertForMaskedLM(MobileBertPreTrainedModel):
             Labels for computing the masked language modeling loss. Indices should be in ``[-100, 0, ...,
             config.vocab_size]`` (see ``input_ids`` docstring) Tokens with indices set to ``-100`` are ignored
             (masked), the loss is only computed for the tokens with labels in ``[0, ..., config.vocab_size]``
-        kwargs (:obj:`Dict[str, any]`, optional, defaults to `{}`):
-            Used to hide legacy arguments that have been deprecated.
         """
         return_dict = return_dict if return_dict is not None else self.config.use_return_dict