If you want to remove the title “Archives: Trips” in the trip archive page as shown in the screenshot below then add below given code in your child theme functions.php file.

function wp_travel_child_remove_cat_titles($title) {
if ( is_archive() ) { $title = single_cat_title( '', false ); } elseif ( is_tag() ) { $title = single_tag_title( '', false ); } elseif ( is_author() ) { $title = '<span class="vcard"> naskj</span>' ;
}
return $title;
}
add_filter( 'get_the_archive_title', 'wp_travel_child_remove_cat_titles' );