core/types: remove duplication in eip2930 signer (#27860)

Remove duplication in signer
---------

Co-authored-by: GDdark <huangdongxi@minijoy.work>
Co-authored-by: Felix Lange <fjl@twurst.com>

core/types/transaction_signing.go

@@ -331,11 +331,7 @@ func (s eip2930Signer) Sender(tx *Transaction) (common.Address, error) {
 	V, R, S := tx.RawSignatureValues()
 	switch tx.Type() {
 	case LegacyTxType:
-		if !tx.Protected() {
-			return HomesteadSigner{}.Sender(tx)
-		}
-		V = new(big.Int).Sub(V, s.chainIdMul)
-		V.Sub(V, big8)
+		return s.EIP155Signer.Sender(tx)
 	case AccessListTxType:
 		// AL txs are defined to use 0 and 1 as their recovery
 		// id, add 27 to become equivalent to unprotected Homestead signatures.
@@ -372,15 +368,7 @@ func (s eip2930Signer) SignatureValues(tx *Transaction, sig []byte) (R, S, V *bi
 func (s eip2930Signer) Hash(tx *Transaction) common.Hash {
 	switch tx.Type() {
 	case LegacyTxType:
-		return rlpHash([]interface{}{
-			tx.Nonce(),
-			tx.GasPrice(),
-			tx.Gas(),
-			tx.To(),
-			tx.Value(),
-			tx.Data(),
-			s.chainId, uint(0), uint(0),
-		})
+		return s.EIP155Signer.Hash(tx)
 	case AccessListTxType:
 		return prefixedRlpHash(
 			tx.Type(),