Fixing double `use_auth_token.pop` (preventing private models from being visible). (#24812)

Fixing double `use_auth_token.pop` (preventing private models from
being visible).

Should fix: https://github.com/huggingface/transformers/issues/14334#issuecomment-1634527833

Repro: Have a private repo, with `vocab.json` (spread out files for the
tokenizer) and use `AutoTokenizer.from_pretrained(...,
use_auth_token="token")`.

src/transformers/tokenization_utils_base.py

@@ -1710,7 +1710,6 @@ class PreTrainedTokenizerBase(SpecialTokensMixin, PushToHubMixin):
         from_auto_class = kwargs.pop("_from_auto", False)
         commit_hash = kwargs.pop("_commit_hash", None)
 
-        use_auth_token = kwargs.pop("use_auth_token", None)
         if use_auth_token is not None:
             warnings.warn(
                 "The `use_auth_token` argument is deprecated and will be removed in v5 of Transformers.", FutureWarning