update favicons (Codeception#433)

Author: Arhell

_layouts/bootstrap.html

@@ -20,10 +20,9 @@
 
     <!-- Other -->
     <link title="Codeception Blog" type="application/rss+xml" rel="alternate" href="/rss.xml">
-    <link rel="apple-touch-icon" sizes="180x180" href="/favicons/apple-touch-icon.png">
+    <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="/favicons/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="/favicons/favicon-16x16.png">
-    <link rel="shortcut icon" href="/favicons/favicon.ico"/>
     <link rel="manifest" href="/favicons/site.webmanifest">
     <link rel="mask-icon" href="/favicons/safari-pinned-tab.svg" color="#236BFD">
     <meta name="msapplication-config" content="/favicons/browserconfig.xml" />