WP Travel plugin provides the feature regarding removing text ‘Archives‘ displaying in archive(itinerary) page using filter.

To remove text ‘Archives‘ in archive(itinerary) page, please add following given code in functions.php file of your child theme.

add_filter('get_the_archive_title', function ($title) {

    return preg_replace('/^\w+: /', '', $title);

});

For detail assistance regarding creating child theme, please refer link.

Before:

After:

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