params: rename EIP150 gas table (#15167)

params/config.go

@@ -197,7 +197,7 @@ func (c *ChainConfig) GasTable(num *big.Int) GasTable {
 	case c.IsEIP158(num):
 		return GasTableEIP158
 	case c.IsEIP150(num):
-		return GasTableHomesteadGasRepriceFork
+		return GasTableEIP150
 	default:
 		return GasTableHomestead
 	}

params/gas_table.go

@@ -49,9 +49,7 @@ var (
 
 	// GasTableHomestead contain the gas re-prices for
 	// the homestead phase.
-	//
-	// TODO rename to GasTableEIP150
-	GasTableHomesteadGasRepriceFork = GasTable{
+	GasTableEIP150 = GasTable{
 		ExtcodeSize: 700,
 		ExtcodeCopy: 700,
 		Balance:     400,