title: Git remove new untracked files
body: <p>this should be simple but i cant find the right anwer 
  I am new to git I added a bunch of new files (not staged) to my git tree i want to just delete them without also deleting the git ignore files in that directory any commands? the </p>
  
  <pre><code>git clean -nd
  </code></pre>
  
  <p>command tells me it will erase all my .git ignore files as well?</p>