Removed metrics prefix (e.g. performs well on)

Author: windyriki

openevolve/prompts/defaults/fragments.json

@@ -22,8 +22,8 @@
   "attempt_all_metrics_improved": "Improvement in all metrics",
   "attempt_all_metrics_regressed": "Regression in all metrics",
   "attempt_mixed_metrics": "Mixed results",
-  "top_program_metrics_prefix": "Performs well on",
-  "diverse_program_metrics_prefix": "Alternative approach to",
+  "top_program_metrics_prefix": "",
+  "diverse_program_metrics_prefix": "",
   "inspiration_type_diverse": "Diverse",
   "inspiration_type_migrant": "Migrant",
   "inspiration_type_random": "Random",