Removed old (unused) argument

core/state/state_test.go

@@ -72,7 +72,7 @@ func TestNull(t *testing.T) {
 	//value := common.FromHex("0x823140710bf13990e4500136726d8b55")
 	value := make([]byte, 16)
 	state.SetState(address, common.Hash{}, value)
-	state.Update(nil)
+	state.Update()
 	state.Sync()
 	value = state.GetState(address, common.Hash{})
 }

core/state/statedb.go

@@ -316,7 +316,7 @@ func (self *StateDB) Refunds() map[string]*big.Int {
 	return self.refund
 }
 
-func (self *StateDB) Update(gasUsed *big.Int) {
+func (self *StateDB) Update() {
 	self.refund = make(map[string]*big.Int)
 
 	for _, stateObject := range self.stateObjects {