arimakidd
You can customize a bit in k2 template view: root/components/com_k2/templates/register.php
Find and comment this snippet of code:
<tr>
<td class="key">
<label id="descriptionmsg" for="description"><?php echo JText::_('K2_DESCRIPTION'); ?></label>
</td>
<td>
<?php echo $this->editor; ?>
</td>
</tr>
Remember to backup this file before making changes.