Revert "Add some parsing stuff to finished/ for Tag"

This reverts commit 2bd0c78583.

finished/src/Data/Article.elm

@@ -3,12 +3,15 @@ module Data.Article
         ( Article
         , Body
         , Slug
+        , Tag
         , bodyToHtml
         , bodyToMarkdownString
         , decoder
         , decoderWithBody
         , slugParser
         , slugToString
+        , tagDecoder
+        , tagToString
         )
 
 import Data.Article.Author as Author exposing (Author)
@@ -107,6 +110,24 @@ slugToString (Slug slug) =
 
 
 
+-- TAGS --
+
+
+type Tag
+    = Tag String
+
+
+tagToString : Tag -> String
+tagToString (Tag slug) =
+    slug
+
+
+tagDecoder : Decoder Tag
+tagDecoder =
+    Decode.map Tag Decode.string
+
+
+
 -- BODY --