Remove the extra icons as they break the js favicon library, and should be unnecessary because the additional sizes are muxed into the ico file.

vector/index.html

@@ -13,10 +13,6 @@
     <link rel="apple-touch-icon" sizes="144x144" href="vector-icons/apple-touch-icon-144x144.png">
     <link rel="apple-touch-icon" sizes="152x152" href="vector-icons/apple-touch-icon-152x152.png">
     <link rel="apple-touch-icon" sizes="180x180" href="vector-icons/apple-touch-icon-180x180.png">
-    <link rel="icon" type="image/png" href="vector-icons/favicon-32x32.png" sizes="32x32">
-    <link rel="icon" type="image/png" href="vector-icons/android-chrome-192x192.png" sizes="192x192">
-    <link rel="icon" type="image/png" href="vector-icons/favicon-96x96.png" sizes="96x96">
-    <link rel="icon" type="image/png" href="vector-icons/favicon-16x16.png" sizes="16x16">
     <link rel="manifest" href="vector-icons/manifest.json">
     <link rel="shortcut icon" href="vector-icons/favicon.ico">
     <meta name="apple-mobile-web-app-title" content="Vector">