How to get only ONE feature post on home page

To hide the read more link from second post try using the below CSS code.

body.blog.home .page-1 article.post:nth-child(2) .read-more{
  display: none;
}

You can control how many posts to display on your blog home page as described on the following page so that it will not display odd.

https://colorlibsupport.com/t/how-to-limit-blog-posts-that-display-on-home-page/