message: Remove outdated screenshot from readme
diff: @@ -30,20 +30,6 @@ GitHub Enterprise is also supported. More info in the options.
  ## Highlights
  -<table>
  - <tr>
  - <th>
  - Dashboard cleanup
  - </th>
  - </tr>
  - <tr><!-- Prevent zebra stripes --></tr>
  - <tr>
  - <td>
  - <img src="https://user-images.githubusercontent.com/170270/27985638-029024f8-63ef-11e7-8487-5e999108bb56.gif">
  - </td>
  - </tr>
  -</table>
  -
  <table>
  <tr>
  <th width="50%">
  