Merge typeaheadjs.css into base.scss

docs/templates/shared/_head.liquid

@@ -10,7 +10,6 @@
     <link rel="canonical" href="{{url}}{{permalink | remove:'/index'}}" />
     <link href="https://maxcdn.bootstrapcdn.com/bootswatch/3.3.5/spacelab/bootstrap.min.css" rel="stylesheet" integrity="sha256-j7Dtnd7ZjexEiPNbscbopFn9+Cs0b3TLipKsWAPHZIM= sha512-RFhfi6P8zWMAJrEGU+CPjuxPh3r/UUBGqQ+/o6WKPIVZmQqeOipGotH2ihRULuQ8wsMBoK15TSZqc/7VYWyuIw==" crossorigin="anonymous">
     <link rel="stylesheet" href="{{root}}/css/base.css" type="text/css">
-    <link rel="stylesheet" href="{{root}}/css/typeaheadjs.css" type="text/css">
     <!--[if lt IE 9]>
       <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
       <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>