Hi there,
You can manage them accordingly as you can see here
http://take.ms/tzu5J. You need to check them based on your Joomla's user groups. Or you wanted to removed them for all user, you can head to this path
.../components/com_easyblog/themes/wireframe/blogs/admin.tools.php and remove codes below.
<li>
<a href="javascript:void(0);" data-entry-archive data-id="<?php echo $post->id;?>" data-return="<?php echo base64_encode($return);?>">
<?php echo JText::_('COM_EASYBLOG_ARCHIVE_THIS');?>
</a>
</li>
Please give it a try and see how it goes.