no need for dns prefetch for heroku domain

main.go

@@ -168,7 +168,7 @@ func main() {
 	addr := ":" + os.Getenv("PORT")
   
 	http.HandleFunc("/api/list", List)
-	http.Handle("/", http.FileServer(http.Dir("./static")))
+	http.Handle("/", http.FileServer(http.Dir("./public")))
 
 	log.Printf("Listening on %s...\n", addr)
 	if err := http.ListenAndServe(addr, nil); err != nil {

public/index.html

@@ -4,7 +4,6 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>NoPixel GTA5 RP Online Players</title>
-  <link rel="dns-prefetch" href="https://hidden-depths-42970.herokuapp.com">
   <link rel="icon" href="favicon.ico">
   <link rel="stylesheet" href="style.css">
 </head>