Remove deprecated metaDataFormat

exampleSite/config.toml

@@ -4,7 +4,6 @@ languageCode = "en-us"
 theme = "gohugo-theme-ananke"
 themesDir = "../.."
 
-MetaDataFormat = "yaml"
 DefaultContentLanguage = "en"
 SectionPagesMenu = "main"
 Paginate = 3 # this is set low for demonstrating with dummy content. Set to a higher number
@@ -34,4 +33,4 @@ enableRobotsTXT = true
   # choose a background color from any on this page: http://tachyons.io/docs/themes/skins/ and preface it with "bg-"
   background_color_class = "bg-black"
   featured_image = "/images/gohugo-default-sample-hero-image.jpg"
-  recent_posts_number = 2
+  recent_posts_number = 2