Update tokenizer_config.json

tokenizer_config.json

@@ -1 +1 @@
-{"do_lower_case": true, "model_max_length": 512, "pretrained_model_name_or_path": "bert-base-uncased", "vocab_file": "./vocab.txt"}
+{"do_lower_case": true, "model_max_length": 512, "pretrained_model_name_or_path": "bert-base-uncased"}