fix: remove unsupported Chatbot parameters

- Remove layout, likeable, avatar_images, and rtl parameters
- Keep core functionality intact

app.py

@@ -284,13 +284,9 @@ class ChatInterface:
                 show_copy_button=True,
                 render_markdown=True,
                 container=True,
-                layout="bubble",
-                likeable=True,
-                avatar_images=["👤", "🤖"],
                 elem_classes=["chat-window"],
                 type="messages",
                 show_label=False,
-                rtl=False,
             )
             
             with gr.Row():