Update tokenizer_config.json

tokenizer_config.json

@@ -38,6 +38,5 @@
   "eos_token": "</s>",
   "model_max_length": 1000000000000000019884624838656,
   "pad_token": "<pad>",
-  "tokenizer_class": "UciTileTokenizer",
   "unk_token": "<unk>"
 }