Minor fix: removed unused key in app config

src/app_configs.py

@@ -63,7 +63,6 @@ DEFAULT_SELECTIONS = {
         "model": "OpenAI/gpt-4o-mini",
         "temperature": 0.7,
         "confidence_threshold": 0.85,
-        "early_stop": True,
         "max_temperature": 5.0,
     },
 }