Empty header sections

Author: jmillikan

src/theme/index.hbs

@@ -20,12 +20,6 @@
         <link rel="stylesheet" href="highlight.css">
         <link rel="stylesheet" href="tomorrow-night.css">
 
-        {{#previous}}
-        {{/previous}}
-	
-        {{#next}}
-        {{/next}}
-
         <!-- MathJax -->
         <script type="text/javascript" src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>