removes error2 logger

pkg/services/alerting/notifiers/telegram.go

@@ -130,7 +130,7 @@ func (this *TelegramNotifier) buildMessageInlineImage(evalContext *alerting.Eval
 	defer func() {
 		err := imageFile.Close()
 		if err != nil {
-			log.Error2("Could not close Telegram inline image.", "err", err)
+			this.log.Error("Could not close Telegram inline image.", "err", err)
 		}
 	}()
 

pkg/services/alerting/test_notification.go

@@ -18,9 +18,12 @@ type NotificationTestCommand struct {
 	Settings *simplejson.Json
 }
 
+var (
+	logger = log.New("alerting.testnotification")
+)
+
 func init() {
 	bus.AddHandler("alerting", handleNotificationTestCommand)
-
 }
 
 func handleNotificationTestCommand(cmd *NotificationTestCommand) error {
@@ -35,7 +38,7 @@ func handleNotificationTestCommand(cmd *NotificationTestCommand) error {
 	notifiers, err := InitNotifier(model)
 
 	if err != nil {
-		log.Error2("Failed to create notifier", "error", err.Error())
+		logger.Error("Failed to create notifier", "error", err.Error())
 		return err
 	}