Remove parent theme page templates in child theme from required-foundation theme

functions.php

<?php
/**
 * Remove parent theme Page Templates
 */
$_templates_to_remove = array();

function remove_template( $files_to_delete = array() ){

    global $_templates_to_remove;

    if ( is_scalar( $files_to_delete ) )
        $files_to_delete = array( $files_to_delete );

    $_templates_to_remove = array_unique( array_merge( $_templates_to_remove, $files_to_delete ) );

    add_action('admin_print_footer_scripts', '_remove_template_footer_scripts');
}

function _remove_template_footer_scripts() {

    global $_templates_to_remove;

    if ( ! $_templates_to_remove )
        return;
    ?>
    <script type="text/javascript">
        jQuery(function($) {
            var tpls = <?php echo json_encode( $_templates_to_remove ); ?>;
            $.each(tpls, function(i, tpl) {
                $('select[name="page_template"] option[value="'+ tpl +'"]').remove();
            });
        });
    </script>
<?php
}

function remove_parent_templates() {

    remove_template(
        array(
            'page-templates/full-width-page.php',
            'page-templates/left-nav-page.php',
            'page-templates/left-sidebar-page.php',
            'page-templates/off-canvas-page.php',
        )
    );
}
add_action('admin_head-post.php', 'remove_parent_templates');
add_action('admin_head-post-new.php', 'remove_parent_templates');