Removed unessesary comarpison of 'null' username

src/main.rs

@@ -405,10 +405,6 @@ async fn handle_socket(mut socket: WebSocket, tx: &mpsc::UnboundedSender<Leaderb
 fn validate_name(input: &str) -> &str
 {
 	let input = input.trim();
-	if input == "null"
-	{
-		return "anon";
-	}
 
 	// Length check
 	if input.is_empty() || input.len() > 32