Rename 2025_Q2/15_004209.json to 2025_Q2/20250415_004209.json

2025_Q2/{15_004209.json → 20250415_004209.json}

@@ -1,6 +1,5 @@
 {
     "left": "gpt-3.5-turbo",
     "right": "gpt-3.5-turbo",
-    "winner": "tie",
-    "timestamp": "20250415_004209"
+    "winner": "tie"
 }