Remove the serializer

The serializer isn't needed since all it does is create a clone of the
existing logger.

common/frame_session.go

@@ -72,8 +72,6 @@ type FrameSession struct {
 	vu            k6modules.VU
 
 	logger *log.Logger
-	// logger that will properly serialize RemoteObject instances
-	serializer *log.Logger
 
 	// Keep a reference to the main frame span so we can end it
 	// when FrameSession.ctx is Done
@@ -105,7 +103,6 @@ func NewFrameSession(
 		vu:                   k6ext.GetVU(ctx),
 		k6Metrics:            k6Metrics,
 		logger:               l,
-		serializer:           l.ConsoleLogFormatterSerializer(),
 	}
 
 	var parentNM *NetworkManager

log/logger.go

@@ -151,19 +151,6 @@ func (l *Logger) ReportCaller() {
 	l.SetReportCaller(true)
 }
 
-// ConsoleLogFormatterSerializer creates a new logger that will
-// correctly serialize RemoteObject instances.
-func (l *Logger) ConsoleLogFormatterSerializer() *Logger {
-	return &Logger{
-		Logger: &logrus.Logger{
-			Out:       l.Out,
-			Level:     l.Level,
-			Formatter: l.Formatter,
-			Hooks:     l.Hooks,
-		},
-	}
-}
-
 // SetCategoryFilter enables filtering logs by the filter regex.
 func (l *Logger) SetCategoryFilter(filter string) (err error) {
 	if filter == "" {