Align Binance combo example variables

Co-Authored-By: Codex <noreply@openai.com>

Author: Pigbibi

examples/targets/binance/crypto_combo.example.json

@@ -24,6 +24,6 @@
   },
   "extra_variables": {
     "DYNAMIC_MODE": "true",
-    "REBALANCE_THRESHOLD": "0.05"
+    "DYNAMIC_REGIME_OFF_CUT": "0.50"
   }
 }