chore: remove unused newLoggerFromConfig after merge

cmd/tenderdash/main.go

@@ -2,8 +2,6 @@ package main
 
 import (
 	"context"
-	"fmt"
-	"io"
 	"os"
 
 	"github.com/dashpay/tenderdash/cmd/tenderdash/commands"
@@ -70,30 +68,3 @@ func main() {
 		os.Exit(2)
 	}
 }
-
-func newLoggerFromConfig(conf *config.Config) (log.Logger, func(), error) {
-	var (
-		writer    io.Writer = os.Stderr
-		closeFunc           = func() {}
-		err       error
-	)
-	if conf.LogFilePath != "" {
-		file, err := os.OpenFile(conf.LogFilePath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644)
-		if err != nil {
-			return nil, nil, fmt.Errorf("failed to create log writer: %w", err)
-		}
-		closeFunc = func() {
-			_ = file.Close()
-		}
-		writer = io.MultiWriter(writer, file)
-	}
-	writer, err = log.NewFormatter(conf.LogFormat, writer)
-	if err != nil {
-		return nil, nil, fmt.Errorf("failed to create log formatter: %w", err)
-	}
-	logger, err := log.NewLogger(log.Level(conf.LogLevel), writer)
-	if err != nil {
-		return nil, nil, err
-	}
-	return logger, closeFunc, nil
-}