https://www.wpar.net/disable-rss-feed-in-wordpress/%d8%b5%d9%88%d8%b1%d8%a96-%d9%85%d8%b9%d8%a7%d9%84%d8%ac-%d8%a7%d9%84%d8%a7%d8%b6%d8%a7%d9%81%d8%a9/