Exclude 404.html from the sitemap.

benbalter · benbalter · commit 5de11038b156 · 2016-12-13T14:21:22.000-05:00
See jekyll/jekyll-sitemap#113 (comment) for making this the default behavior.
diff --git a/404.md b/404.md
@@ -3,6 +3,7 @@ layout: docwithnav
 title: 404 Error!
 permalink: /404.html
 no_canonical: true
+sitemap: false
 ---
 
 <script src="/js/redirects.js"></script>
