убрал лишнюю статику

templates/clientsideapp/ext.html

@@ -6,7 +6,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>User side</title>
     <link href="/static/css/bootstrap.min.css" rel="stylesheet">
-    <link href="/static/css/bootstrap-theme.min.css" rel="stylesheet">
     <link href="/static/clientside/custom.css" rel="stylesheet">
     <script src="/static/js/jquery-2.2.4.min.js"></script>
     <script src="/static/js/bootstrap.min.js"></script>