Remove unnecesary method

src/element/Lungo.Element.Cache.coffee

@@ -14,13 +14,3 @@ Lungo.Element.Cache =
   article: null
   aside: null
   navigation: null
-
-  dump: ->
-    txt = ""
-    txt += "================ cache data ================\n"
-    txt += " SECTION:    #{@section?.attr('id')}\n"
-    txt += " ARTICLE:    #{@article?.attr('id')}\n"
-    txt += " ASIDE:      #{@aside?.attr('id')}\n"
-    txt += " NAVIGATION: #{@navigation?.attr('id')}\n"
-    txt += "============================================\n"
-    console.error txt