message: Simplify site title
diff: <head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  - <title>{{pageTitle this site.name}}</title>
  + <title>{{site.name}}</title>
  <meta name="description" content="{{site.description}}">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  