Replace the old log setup, with structured logging etc.

Fixes #11124

markup/org/convert.go

@@ -16,6 +16,7 @@ package org
 
 import (
 	"bytes"
+	"log"
 
 	"github.com/gohugoio/hugo/identity"
 
@@ -46,7 +47,7 @@ type orgConverter struct {
 func (c *orgConverter) Convert(ctx converter.RenderContext) (converter.ResultRender, error) {
 	logger := c.cfg.Logger
 	config := org.New()
-	config.Log = logger.Warn()
+	config.Log = log.Default() // TODO(bep)
 	config.ReadFile = func(filename string) ([]byte, error) {
 		return afero.ReadFile(c.cfg.ContentFs, filename)
 	}

markup/org/convert_test.go

@@ -29,7 +29,7 @@ import (
 func TestConvert(t *testing.T) {
 	c := qt.New(t)
 	p, err := org.Provider.New(converter.ProviderConfig{
-		Logger: loggers.NewErrorLogger(),
+		Logger: loggers.NewDefault(),
 		Conf:   testconfig.GetTestConfig(afero.NewMemMapFs(), nil),
 	})
 	c.Assert(err, qt.IsNil)