config: Remove Solana leverage override - use adaptive leverage system

- Commented out SOLANA_LEVERAGE=5 fixed override
- Adaptive leverage now applies to all SOL trades
- Quality ≥95 LONG 90 SHORT → 10x leverageor
- Quality 90-94 LONG or 80-89 SHORT → 5x leverage
- Expected: Higher leverage on high-confidence signals

.env

@@ -405,7 +405,7 @@ QUALITY_LEVERAGE_THRESHOLD_SHORT=90
 QUALITY_LEVERAGE_THRESHOLD=95  # Kept for backward compatibility
 SOLANA_ENABLED=true
 SOLANA_POSITION_SIZE=100
-SOLANA_LEVERAGE=5
+# SOLANA_LEVERAGE=5  # REMOVED: Let adaptive leverage system handle this (10x for quality ≥95, 5x for quality 90-94)
 SOLANA_USE_PERCENTAGE_SIZE=true
 ETHEREUM_ENABLED=false
 ETHEREUM_POSITION_SIZE=50