remove references to icons we dont have anymore, simplify icon html

we can just get by with the svg these days

Author: jonchurch

_layouts/base.html

@@ -11,14 +11,8 @@
   <meta name="theme-color" content="{{ site.brand_color }}">
   <meta name="viewport" content="width=device-width,initial-scale=1">
   <title>{{ page.title }}</title>
-  <link rel="apple-touch-icon" href="/icons/apple-touch-180x180.png" sizes="180x180">
+  <link rel="icon" href="/icons/icon.svg" type="image/svg+xml">
   <link rel="feed" type="application/atom+xml" href="https://github.com/lodash/lodash/commits/master.atom">
-  <link rel="icon" type="image/png" href="/icons/favicon-32x32.png" sizes="32x32">
-  {% assign href = '/icons/favicon-16x16.png' %}
-  {% unless site.github.hostname == 'github.com' %}
-    {% capture href %}{% base64 icons/favicon-16x16.png %}{% endcapture %}
-  {% endunless %}
-  <link rel="icon" type="image/png" href="{{ href }}" sizes="16x16">
   <link rel="manifest" href="/manifest.webmanifest">
   <link rel="mask-icon" href="/icons/safari-pinned-tab-16x16.svg" color="{{ site.brand_color }}">
   {% assign pageURL = page.url | remove_first:'.html' %}

manifest.appcache

@@ -8,9 +8,7 @@ ignored: [
 ]
 cache: [
   '/docs/',
-  '/favicon.ico',
-  '/icons/apple-touch-180x180.png',
-  '/icons/favicon-32x32.png'
+  '/favicon.ico'
 ]
 ---
 CACHE MANIFEST

manifest.webmanifest

@@ -11,21 +11,6 @@
   "start_url": "/",
   "theme_color": "#3492ff",
   "icons": [
-    {
-      "src": "/icons/chrome-launcher-144x144.png",
-      "sizes": "144x144",
-      "type": "image/png"
-    },
-    {
-      "src": "/icons/android-home-192x192.png",
-      "sizes": "192x192",
-      "type": "image/png"
-    },
-    {
-      "src": "/icons/android-splash-512x512.png",
-      "sizes": "512x512",
-      "type": "image/png"
-    },
     {
       "src": "/assets/img/lodash.svg",
       "sizes": "any",

sw.js

@@ -6,9 +6,7 @@ ignored: [
 ]
 prefetch: [
   '/sw.js',
-  '/manifest.webmanifest',
-  '/icons/apple-touch-180x180.png',
-  '/icons/favicon-32x32.png'
+  '/manifest.webmanifest'
 ]
 ---
 'use strict'