remove extra blanks

src/pages/document.ejs

@@ -1,6 +1,5 @@
 <!DOCTYPE html>
 <html lang="en">
-
 <head>
   <meta charset="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
@@ -10,7 +9,6 @@
   <script src="https://cdn.bootcss.com/rollbar.js/2.4.0/rollbar.min.js"></script>
   <script src="https://gw.alipayobjects.com/os/antv/assets/data-set/0.8.7/data-set.min.js"></script>
 </head>
-
 <body>
   <div id="root"></div>
   <link rel="stylesheet/less" type="text/css" href="/color.less" />
@@ -22,6 +20,4 @@
   </script>
   <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/less.js/2.7.2/less.min.js"></script>
 </body>
-
+</html>
-
-</html>