title: github: how do I delete an attachment in github issues?
body: <p>I am in need to remove an attachment in github issues. How do I do this. When you remove the issue comment, the attachment is still in github. How can I explicitly target to remove an attachment?</p>
  
  <p>The format of such attachments is</p>
  
  <p><a href="https://github.com/&lt;projectname&gt;/&lt;repo&gt;/files/&lt;somenumber&gt;/&lt;filename&gt;.txt" rel="noreferrer">https://github.com/&lt;projectname&gt;/&lt;repo&gt;/files/&lt;somenumber&gt;/&lt;filename&gt;.txt</a></p>
  
  <p>Simple git rm does not work.</p>