mempool_test does not make new list of Tx

internal/consensus/mempool_test.go

@@ -310,14 +310,7 @@ func (app *CounterApplication) Commit() abci.ResponseCommit {
 
 func (app *CounterApplication) PrepareProposal(
 	req abci.RequestPrepareProposal) abci.ResponsePrepareProposal {
-	trs := make([]*abci.TxRecord, len(req.Txs))
-	for i, tx := range req.Txs {
-		trs[i] = &abci.TxRecord{
-			Action: abci.TxRecord_UNMODIFIED,
-			Tx:     tx,
-		}
-	}
-	return abci.ResponsePrepareProposal{TxRecords: trs}
+	return abci.ResponsePrepareProposal{}
 }
 
 func (app *CounterApplication) ProcessProposal(