fix Qwen2-72B model type

Qwen/Qwen2-72B_eval_request_False_bfloat16_Original.json

@@ -8,7 +8,7 @@
   "weight_type": "Original",
   "status": "FINISHED",
   "submitted_time": "2024-06-26T14:53:03Z",
-  "model_type": "\ud83d\udd36 : \ud83d\udd36 fine-tuned on domain-specific datasets",
+  "model_type": "pretrained",
   "job_id": "7215831",
   "job_start_time": "2024-06-27T07:42:26.392490",
   "use_chat_template": false