Kill gorp (#19786)

* Kill gorp

Gorp is dead. Long live Gorp.

```release-note
NONE
```

store/sqlstore/utils.go

@@ -9,8 +9,6 @@ import (
 	"strings"
 	"unicode"
 
-	"github.com/mattermost/gorp"
-
 	"github.com/mattermost/mattermost-server/v6/shared/mlog"
 )
 
@@ -47,14 +45,6 @@ func MapStringsToQueryParams(list []string, paramPrefix string) (string, map[str
 	return "(" + keys.String() + ")", params
 }
 
-// finalizeTransaction ensures a transaction is closed after use, rolling back if not already committed.
-func finalizeTransaction(transaction *gorp.Transaction) {
-	// Rollback returns sql.ErrTxDone if the transaction was already closed.
-	if err := transaction.Rollback(); err != nil && err != sql.ErrTxDone {
-		mlog.Error("Failed to rollback transaction", mlog.Err(err))
-	}
-}
-
 // finalizeTransactionX ensures a transaction is closed after use, rolling back if not already committed.
 func finalizeTransactionX(transaction *sqlxTxWrapper) {
 	// Rollback returns sql.ErrTxDone if the transaction was already closed.