How to delete SEARCH BAR directly on code ?

Hello.
I’m using “Sark Press” theme.But i can’t delete the search bar with widgets.

The header code is :

<div class=”col-sm-4 col-md-4 sark-top-search-form inner-col-right”>
<form role=”search” method=”get” class=”search-form” action=”<?php echo esc_url( home_url( ‘/’ ) ); ?>”>
<label>
<i class=”fa fa-search”></i>
<input type=”search” class=”sark-search-field” placeholder=”Search…” value=”” name=”s” title=”Search for:” />
</label>
</form>
</div>

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I’ve tried to delete the code in bold.But the site still with the black bar.

SITE : https://glassbreakersaveslives.com/

Thank you in advance .