class FilterableScripts extends WP_Scripts
{
    function localize( $handle, $object_name, $l10n )
    {
        $l10n = apply_filters( 'script_l10n', $handle, $object_name, $l10n );
        return parent::localize($handle, $object_name, $l10n);
    }

}

public function phyt_filter_script_intlization() {
    //These exist here:
    var_dump($GLOBALS['wp_scripts']->registered['acf-field-group']);
    var_dump($GLOBALS['wp_scripts']->registered['acf-input']);
    $GLOBALS['wp_scripts'] = new PhytJobsFilterableScripts;
    // But now they are gone
    print_r(isset($GLOBALS['wp_scripts']->registered['acf-field-group']));
}

public function phyt_filter_script_intlization() {
    // store the arrays
    $acf_field_group = $GLOBALS['wp_scripts']->registered['acf-field-group'];
    $acf_input = $GLOBALS['wp_scripts']->registered['acf-input'];
    $GLOBALS['wp_scripts'] = new PhytJobsFilterableScripts;
    // re-insert the arrays
    $GLOBALS['wp_scripts']->registered['acf-field-group'] = $acf_field_group;
    $GLOBALS['wp_scripts']->registered['acf-input'] = $acf_input;
}