Update app.py

app.py

@@ -323,9 +323,7 @@ def start_answer_generation(model_choice: str):
     # Map model choice to actual model name
     model_map = {
         "Llama 3.1 8B": "meta-llama/Llama-3.1-8B-Instruct",
-        "Llama 3.1 70B": "meta-llama/Llama-3.1-70B-Instruct",
-        "Mistral 7B": "mistralai/Mistral-7B-Instruct-v0.3",
-        "CodeLlama 7B": "codellama/CodeLlama-7b-Instruct-hf"
+        "Mistral 7B": "mistralai/Mistral-7B-Instruct-v0.3"
     }
     
     selected_model = model_map.get(model_choice, "meta-llama/Llama-3.1-8B-Instruct")