Update app.py

app.py

@@ -54,9 +54,6 @@ chat_interface = gr.ChatInterface(
     chatbot=gr.Chatbot(show_label=False, show_share_button=False, show_copy_button=False, layout="vertical", height=700),
     concurrency_limit=9,
     theme="soft",
-    retry_btn=None,
-    undo_btn=None,
-    clear_btn=None,
     submit_btn="Enviar",
 )