Update logo and favicon

_layouts/default.html

@@ -4,12 +4,10 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <link rel="apple-touch-icon" sizes="180x180" href="/pair-programming-guide/assets/favicon/apple-touch-icon.png">
-    <link rel="icon" type="image/png" sizes="32x32" href="/pair-programming-guide/assets/favicon/favicon-32x32.png">
-    <link rel="icon" type="image/png" sizes="16x16" href="/pair-programming-guide/assets/favicon/favicon-16x16.png">
+    <link rel="icon" type="image/png" sizes="32x32" href="/pair-programming-guide/assets/favicon/favicon-32.png">
+    <link rel="icon" type="image/png" sizes="16x16" href="/pair-programming-guide/assets/favicon/favicon-16.png">
     <link rel="manifest" href="/pair-programming-guide/assets/favicon/site.webmanifest">
-    <link rel="mask-icon" href="/pair-programming-guide/assets/favicon/safari-pinned-tab.svg" color="#5bbad5">
     <link rel="canonical" href="https://tuple.app/pair-programming-guide/">
-    <meta name="msapplication-TileColor" content="#da532c">
     <meta name="theme-color" content="#ffffff">
     <meta name="Description" content="{{ page.meta | default:"Comprehensive guides for thoughtful pair programmers." }}">
     <meta name="twitter:card" content="summary">

assets/favicon/site.webmanifest

@@ -1,19 +1,6 @@
 {
-    "name": "",
-    "short_name": "",
-    "icons": [
-        {
-            "src": "/android-chrome-192x192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "/android-chrome-256x256.png",
-            "sizes": "256x256",
-            "type": "image/png"
-        }
-    ],
-    "theme_color": "#ffffff",
-    "background_color": "#ffffff",
-    "display": "standalone"
+  "icons": [
+    { "src": "/icon-192.png", "type": "image/png", "sizes": "192x192" },
+    { "src": "/icon-512.png", "type": "image/png", "sizes": "512x512" }
+  ]
 }