Hi,

To achieve that you need to add list-style:none; style!

Check the below code!

<style type="text/css">
        div.right_column ul li
        {
            text-decoration: none;
            list-style:none;
        }
        div.right_column ul.blog_links li a
        {
            text-decoration: none;
        }
    </style>

Hope it helps u...