title: Removing subproject commit from github
body: <p>I have two repositories namely <code>A</code> and <code>B</code>. By mistake I cloned repo B inside A on my machine. I removed all the code from the repo B but when I pushed and merged my code from A on origin, it also shows a subproject commit <code>B</code> on Github repo.</p>
  
  <p>I want to remove the subproject commit from my master on origin. Will these steps work?</p>
  
  <p><code>1. rmdir B (on my local repo A)
   2. Pushing my repo A to origin
   3. Merging</code></p>