Don't import fonts.css

Otherwise, when we copy into the main repo, it messes things up.

Auditors: alpert

static/index.html

@@ -4,6 +4,7 @@
         <title>KaTeX Test</title>
         <script src="katex.js" type="text/javascript"></script>
         <script src="main.js" type="text/javascript"></script>
+        <link href="fonts/fonts.css" rel="stylesheet" type="text/css">
         <link href="katex.less" rel="stylesheet" type="text/less">
         <link href="main.css" rel="stylesheet" type="text/css">
         <!--[if gte IE 9]><!-->

static/katex.less

@@ -1,5 +1,3 @@
-@import "fonts/fonts.css";
-
 /*
 things to do:
 \sum, \int, \lim