remove unused/necessary author mixin

templates/article.jade

@@ -8,11 +8,9 @@ block prepend title
   | #{ page.title + " - "}
 
 block append header
-  include author
   h1= page.title
   p.author
-    | #{ "Written by " }
-    mixin author(page.metadata.author)
+    | Written by #{page.metadata.author}
 
 block content
   article.article

templates/author.jade

@@ -1,8 +0,0 @@
-
-mixin author(authorName)
-  - var author = contents.authors[authorName + '.json']
-  span.author
-    if author
-      a(href='mailto:'+author.metadata.email)= author.metadata.name
-    else
-      =authorName

templates/index.jade

@@ -1,7 +1,6 @@
 extends layout
 
 block content
-  include author
   each article in articles
     article.article.intro
       header