Remove the inactive `temperature` from generation_config.json

generation_config.json

@@ -2,6 +2,5 @@
   "_from_model_config": true,
   "eos_token_id": [151643,151645],
   "pad_token_id": 151643,
-  "do_sample": false,
-  "temperature": 0.000001
+  "do_sample": false
 }