Remove 'bytes'

First part of the fix to https://github.com/ipfs/dir-index-html/issues/3

dir-index.html

@@ -52,7 +52,7 @@
           <td>
             <a href="{{ .Path }}">{{ .Name }}</a>
           </td>
-          <td>{{ .Size }} bytes</td>
+          <td>{{ .Size }}</td>
         </tr>
       {{ end }}
       </table>