title: Vim replace all characters up to first comma
body: <p>I am trying to use VIM to replace all the characters up to the first comma in a large text file (10mb+)</p>
  
  <p>I have something that looks like:</p>
  
  <pre><code>foo,bar,sun
  apple,pear,goose
  monkey,pig,baby
  </code></pre>
  
  <p>and I want it to look like:</p>
  
  <pre><code>bar,sun
  pear,goose
  pig,baby
  </code></pre>