remove unused system prompt input from create_interface function

app.py

@@ -488,7 +488,7 @@ def create_interface():
                 examples=examples,
                 # fn=process_example_pipeline,
                 fn=refine_prompt,
-                inputs=[prompt, system_prompt],
+                inputs=[prompt],
                 outputs=[refined_prompt, message_box],
                 cache_examples=True,
             ).then(