Update app.py

app.py

@@ -268,27 +268,7 @@ def main():
         )
 
     # Add JavaScript for Enter key handling
-    demo.load(
-        None,
-        None,
-        None,
-        _js="""
-        function enableEnterSubmit() {
-            const textarea = document.querySelector('#message_input textarea');
-            const submitBtn = document.querySelector('#submit_btn');
-            
-            textarea?.addEventListener('keydown', (e) => {
-                if (e.key === 'Enter' && !e.shiftKey) {
-                    e.preventDefault();
-                    submitBtn.click();
-                }
-            });
-        }
-        enableEnterSubmit();
-        """
-    )
     
-    return demo
 
 if __name__ == "__main__":
     demo = main()