title: SourceTree - How to undo Pushed commits
body: <p>Using Source Tree 1.9, there are 5 commits e.g. a-b-c-d-e that are pushed to develop branch and I want to undo pushed commits for "c".</p>
  
  <ol>
  <li>will that affect other commits - a,b,d,e. </li>
  <li>How to undo commit done for "c" without affecting other commits.</li>
  </ol>