remove baidu statistics Code

https://github.com/leanote/leanote/issues/318

app/views/home/index.html

@@ -77,15 +77,5 @@ var lang = '{{.locale}}';
 <script src="/js/home/index.js"></script>
 
 
-<script>
-var _hmt = _hmt || [];
-(function() {
-  var hm = document.createElement("script");
-  hm.src = "//hm.baidu.com/hm.js?d0c988e37b452b3bf1220d45b30f2de2";
-  var s = document.getElementsByTagName("script")[0]; 
-  s.parentNode.insertBefore(hm, s);
-})();
-</script>
-
 </body>
 </html>