Remove reference to non-existent apple-touch-icon.png

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: brunoborges

index.html

@@ -16,7 +16,6 @@
   <meta name="mobile-web-app-capable" content="yes">
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
   <meta name="apple-mobile-web-app-title" content="java.evolved">
-  <link rel="apple-touch-icon" href="/apple-touch-icon.png">
 
   <meta property="og:title" content="java.evolved Code Snippets | java.evolved">
   <meta property="og:description" content="A collection of modern Java code snippets. Every old Java pattern next to its clean, modern replacement — side by side.">