test: remove concurrency count

app.py

@@ -732,7 +732,7 @@ if __name__ == "__main__":
     # Initialize the interface with error handling
     try:
         demo = create_interface()
-        demo.queue(concurrency_count=2)  # Limit concurrent operations
+        demo.queue()  # Limit concurrent operations
         demo.launch(
             server_name="0.0.0.0",
             server_port=7860,