Dropped useless css

Author: thboileau

themes/restlet-framework/layouts/_partials/head/css.html

@@ -17,6 +17,5 @@
 <link rel="stylesheet" type="text/css" href="/css/vendor/magnific-popup.css">
 <!-- Custom CSS -->
 <link rel="stylesheet" href="/css/custom.css" />
-<link rel="stylesheet" href="/css/app.min.css">
 <link rel="stylesheet" href="/css/vendor/prism.css" />
 <link rel="stylesheet" href="/css/vendor/component.css" />