Refactor app.py to remove unused code and improve code structure

app.py

@@ -41,6 +41,7 @@ with gr.Blocks() as demo:
           label="Scheduler"
       )
 
+
     # run_button.click(
     #   fn=gradio_process_image, 
     #   inputs=[input_image, resolution, num_inference_steps, strength, hdr, guidance_scale, controlnet_strength, scheduler_name],