Update head.html

_includes/head.html

@@ -23,10 +23,6 @@
   <link rel="apple-touch-icon" sizes="144x144" href="/apple-touch-icon-144x144.png">
   <link rel="apple-touch-icon" sizes="152x152" href="/apple-touch-icon-152x152.png">
   <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon-180x180.png">
-  <link rel="icon" type="image/png" href="/favicon-32x32.png" sizes="32x32">
-  <link rel="icon" type="image/png" href="/android-chrome-192x192.png" sizes="192x192">
-  <link rel="icon" type="image/png" href="/favicon-96x96.png" sizes="96x96">
-  <link rel="icon" type="image/png" href="/favicon-16x16.png" sizes="16x16">
   <link rel="manifest" href="/android-chrome-manifest.json">
   <meta name="msapplication-TileColor" content="#000000">
   <meta name="msapplication-TileImage" content="/mstile-144x144.png">