Remove windows phone and ie favicon stuff

toolkit-showcase/assets/dbp-toolkit-showcase.html.ejs

@@ -13,8 +13,6 @@
     <link rel="icon" type="image/png" sizes="16x16" href="<%= getPrivateUrl('favicon-16x16.png') %>">
     <link rel="manifest" href="<%= getUrl(name + '.webmanifest') %>">
     <link rel="mask-icon" href="<%= getPrivateUrl('safari-pinned-tab.svg') %>" color="#3775c1">
-    <meta name="msapplication-config" content="<%= getUrl(name + '_browserconfig.xml') %>" />
-    <meta name="msapplication-TileColor" content="#ffffff">
     <meta name="apple-mobile-web-app-status-bar-style" content="white">
 
     <!-- Loading spinner -->

toolkit-showcase/assets/favicons/browserconfig.xml

-<?xml version="1.0" encoding="utf-8"?>
-<browserconfig>
-    <msapplication>
-        <tile>
-            <square150x150logo src="local/dbp-toolkit-showcase/mstile-150x150.png"/>
-            <TileColor>#ffffff</TileColor>
-        </tile>
-    </msapplication>
-</browserconfig>

toolkit-showcase/rollup.config.js

@@ -169,7 +169,6 @@ Dependencies:
                     {src: 'assets/favicons/*.svg', dest: 'dist/' + (await getDistPath(pkg.name))},
                     {src: 'assets/favicons/*.ico', dest: 'dist/' + (await getDistPath(pkg.name))},
                     {src: 'assets/favicons/site.webmanifest', dest: 'dist', rename: pkg.name + '.webmanifest'},
-                    {src: 'assets/favicons/browserconfig.xml', dest: 'dist', rename: pkg.name + '_browserconfig.xml'},
                     {src: 'assets/silent-check-sso.html', dest: 'dist'},
                     {
                         src: await getPackagePath('@dbp-toolkit/font-source-sans-pro', 'files/*'),