Remove UploadOnly value.

main.go

@@ -69,12 +69,10 @@ type File struct {
 
 type FilesData struct {
 	Files []File
-	UploadOnly bool
 }
 
 type IndexData struct {
 	Host string
-	UploadOnly bool
 }
 
 func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
@@ -84,7 +82,6 @@ func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Con
 func Index(c echo.Context) error {
 	data := IndexData{
 		Host: c.Request().Host,
-		UploadOnly: false,
 	}
 	return c.Render(http.StatusOK, "index", data)
 }