core/txpool: remove unused parameter `local` (#30871)

core/txpool/legacypool/legacypool.go

@@ -626,7 +626,7 @@ func (pool *LegacyPool) validateTxBasics(tx *types.Transaction, local bool) erro
 
 // validateTx checks whether a transaction is valid according to the consensus
 // rules and adheres to some heuristic limits of the local node (price and size).
-func (pool *LegacyPool) validateTx(tx *types.Transaction, local bool) error {
+func (pool *LegacyPool) validateTx(tx *types.Transaction) error {
 	opts := &txpool.ValidationOptionsWithState{
 		State: pool.currentState,
 
@@ -682,7 +682,7 @@ func (pool *LegacyPool) add(tx *types.Transaction, local bool) (replaced bool, e
 	isLocal := local || pool.locals.containsTx(tx)
 
 	// If the transaction fails basic validation, discard it
-	if err := pool.validateTx(tx, isLocal); err != nil {
+	if err := pool.validateTx(tx); err != nil {
 		log.Trace("Discarding invalid transaction", "hash", hash, "err", err)
 		invalidTxMeter.Mark(1)
 		return false, err