chg: caller gas allowance logs from warn to debug

internal/ethapi/api.go

@@ -783,7 +783,7 @@ func (args *CallArgs) ToMessage(globalGasCap uint64) types.Message {
 		gas = uint64(*args.Gas)
 	}
 	if globalGasCap != 0 && globalGasCap < gas {
-		log.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
+		log.Debug("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
 		gas = globalGasCap
 	}
 	gasPrice := new(big.Int)
@@ -997,7 +997,7 @@ func DoEstimateGas(ctx context.Context, b Backend, args CallArgs, blockNrOrHash
 	}
 	// Recap the highest gas allowance with specified gascap.
 	if gasCap != 0 && hi > gasCap {
-		log.Warn("Caller gas above allowance, capping", "requested", hi, "cap", gasCap)
+		log.Debug("Caller gas above allowance, capping", "requested", hi, "cap", gasCap)
 		hi = gasCap
 	}
 	cap = hi