title: How to remove all added files in GIT
body: <p>By mistake I used <code>git add .</code> so all files are added in staring area. I want to remove all those files from staring area.</p>
  
  <p>I tried </p>
  
  <pre><code>git clean -fdx
  
  git clean -df
  </code></pre>
  
  <p>but it isn't worked. </p>