title: Remove a page form recommendation box
body: <p>I have recommendation box on <a href="http://www.strf.ru/" rel="nofollow">my site</a>.<br>
  There was <a href="http://www.strf.ru/material.aspx?CatalogId=221&amp;d_no=44149" rel="nofollow">one popular page</a>, that doesn't exist any more.<br>
  But it still appears in recommendation box.  </p>
  
  <p>How can I remove this page from plugin?</p>