remove auth, add description to model tab

app.py

@@ -174,6 +174,9 @@ video_to_audio_tab = gr.Interface(
     description=""" Video-to-Audio
     NOTE: It takes longer to process high-resolution videos (>384 px on the shorter side). 
     Doing so does not improve results.
+
+    The model has been trained on 8-second videos. 
+    Using much longer or shorter videos will degrade performance. Around 5s~12s should be fine.
     """,
     inputs=[
         gr.Video(),
@@ -234,5 +237,4 @@ if __name__ == "__main__":
 
     gr.TabbedInterface([video_to_audio_tab, image_to_audio_tab],
                        ['Video-to-Audio', 'Image-to-Audio']).launch(
-                           auth=("admin", "sonisphere"),
                            allowed_paths=[output_dir])