Update adapter_config.json

adapter_config.json

@@ -1,6 +1,5 @@
 {
   "base_model_name_or_path": "unsloth/gemma-7b-bnb-4bit",
-  "learning_rate": 0.0003,
   "batch_size": 16,
   "num_train_epochs": 3
 }