.navbar-brand {
    display: none;
}

.pkp_brand_footer {
    display: none;
}

footer[role="contentinfo"] {
    background: #fff;
    padding: 2em;
    margin-top: 4em;
}

<!-- <div class="col-md-2" role="complementary">
	<a href="http://shift.sin.fst.uin-alauddin.ac.id/index.php/shift/about/aboutThisPublishingSystem">
    <img class="img-responsive" alt="More information about the publishing system, Platform and Workflow by OJS/PKP." src="http://shift.sin.fst.uin-alauddin.ac.id/templates/images/ojs_brand.png">
    </a>
</div> -->