remove tokenizer_name_or_path

adapter_config.json

@@ -12,6 +12,5 @@
   "revision": null,
   "task_type": "CAUSAL_LM",
   "token_dim": 4096,
-  "tokenizer_kwargs": null,
   "tokenizer_name_or_path": "EleutherAI/gpt-j-6b"
 }