Update ahnyeonchan/Llama-chat-AYT-13B_eval_request_False_bfloat16_Original.json

I made a PR for changing org and model name.
(https://huggingface.co/spaces/HuggingFaceH4/open_llm_leaderboard/discussions/281#65016adc87b370a56ad5cee8)

Thank you.

ahnyeonchan/Llama-chat-AYT-13B_eval_request_False_bfloat16_Original.json

@@ -1 +1 @@
-{"model": "ahnyeonchan/Llama-chat-AYT-13B", "base_model": "meta-llama/Llama-2-13b-chat-hf", "revision": "main", "private": false, "precision": "bfloat16", "weight_type": "Original", "status": "FINISHED", "submitted_time": "2023-09-07T12:13:04Z", "model_type": "\ud83d\udd36 : fine-tuned", "job_id": "439387"}
+{"model": "posicube/Llama2-chat-AYT-13B", "base_model": "meta-llama/Llama-2-13b-chat-hf", "revision": "main", "private": false, "precision": "bfloat16", "weight_type": "Original", "status": "FINISHED", "submitted_time": "2023-09-07T12:13:04Z", "model_type": "\ud83d\udd36 : fine-tuned", "job_id": "439387"}