Hi korteknie
You can edit this file /templates/ja_healthcare/tpls/blocks/footer.php
and remove or comment below code
<div id="addthis-wrap" class="addthis-wrap">
<button class="btn btn-primary" title="Addthis"><i class="fa fa-share-alt"></i></button>
<!-- Go to www.addthis.com/dashboard to customize your tools -->
<div class="addthis_vertical_follow_toolbox"></div>
</div>
Regards