Remove redundant error logging in from_pretrained() method (#15631)

* Remove error logging in from_pretrained() method

src/transformers/tokenization_utils_base.py

@@ -1738,16 +1738,14 @@ class PreTrainedTokenizerBase(SpecialTokensMixin, PushToHubMixin):
                     else:
                         raise error
 
-                except RepositoryNotFoundError as err:
-                    logger.error(err)
+                except RepositoryNotFoundError:
                     raise EnvironmentError(
                         f"{pretrained_model_name_or_path} is not a local folder and is not a valid model identifier "
                         "listed on 'https://huggingface.co/models'\nIf this is a private repository, make sure to "
                         "pass a token having permission to this repo with `use_auth_token` or log in with "
                         "`huggingface-cli login` and pass `use_auth_token=True`."
                     )
-                except RevisionNotFoundError as err:
-                    logger.error(err)
+                except RevisionNotFoundError:
                     raise EnvironmentError(
                         f"{revision} is not a valid git identifier (branch name, tag name or commit id) that exists "
                         "for this model name. Check the model page at "