Remove search bar

Hi,
one way to do that would be to add the code below in your theme functions.php file

add_filter( "shortcode_atts_adverts_list", function(  $out, $pairs, $atts  ) {
  if( is_tax( 'advert-category' ) ) {
    $out["search_bar"] = "disabled";
  }
  return $out;
}, 10, 3 );