Minor UI fixes

app.py

@@ -303,9 +303,6 @@ with gr.Blocks(title="🍵 Matcha-TTS: A fast TTS architecture with conditional
             label="Multi Speaker Examples",
         )
     
-    with gr.Row():
-        gr.HTML('<iframe width="560" height="315" src="https://www.youtube.com/embed/xmvJkz3bqw0?si=jN7ILyDsbPwJCGoa" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>')
-
     model_type.change(lambda x: gr.update(interactive=False), inputs=[synth_btn], outputs=[synth_btn]).then(
         load_model_ui,
         inputs=[model_type, text],