refactor: Remove commented out code in app.py

app.py

@@ -28,11 +28,11 @@ retriever = load_retrievers(embeddings)
 
 # 사용 가능한 모델 목록 (key: 모델 식별자, value: 사용자에게 표시할 레이블)
 AVAILABLE_MODELS = {
-    "gpt_3_5_turbo": "GPT-3.5 Turbo",
+    # "gpt_3_5_turbo": "GPT-3.5 Turbo",
     "gpt_4o": "GPT-4o",
     "claude_3_5_sonnet": "Claude 3.5 Sonnet",
     "gemini_1_5_flash": "Gemini 1.5 Flash",
-    "llama3_70b": "Llama3 70b",
+    # "llama3_70b": "Llama3 70b",
 }
 
 
@@ -41,7 +41,7 @@ def create_rag_chain(chat_history: List[Tuple[str, str]], model: str):
     for human, ai in chat_history:
         langchain_messages.append(HumanMessage(content=human))
         langchain_messages.append(AIMessage(content=ai))
-        
+
     llm = get_llm(streaming=STREAMING).with_config(configurable={"llm": model})
     prompt = get_prompt().partial(history=langchain_messages)
 
@@ -107,8 +107,8 @@ with gr.Blocks() as demo:
     chatbot = gr.Chatbot(height="50vh")
     msg = gr.Textbox(label="메시지 입력")
     with gr.Row():
-        send_btn = gr.Button("전송")
         clear = gr.Button("대화 내용 지우기")
+        send_btn = gr.Button("전송")
 
     def user(user_message, history):
         return "", history + [[user_message, None]]
@@ -130,4 +130,4 @@ with gr.Blocks() as demo:
     clear.click(lambda: None, None, chatbot, queue=False)
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()