head.html in web-mapping-0.1.5

- old
+ new

@@ -1,5 +1,5 @@
-<head prefix="og: http://ogp.me/ns#">
+<head>
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">
   <meta name="HandheldFriendly" content="True">