format with gofumpt (#18184)

* gofumpt -w -l .

* gofumpt -w -l -extra .

* Add linter

* manual fix

* change make fmt

modules/markup/orgmode/orgmode.go

@@ -27,8 +27,7 @@ func init() {
 }
 
 // Renderer implements markup.Renderer for orgmode
-type Renderer struct {
-}
+type Renderer struct{}
 
 // Name implements markup.Renderer
 func (Renderer) Name() string {