Commission Implementing Regulation (EU) 2017/1589 of 19 September 2017 withdrawing the acceptance of the undertaking for one exporting producer under Implementing Decision 2013/707/EU confirming the acceptance of an undertaking offered in connection with the anti-dumping and anti-subsidy proceedings concerning imports of crystalline silicon photovoltaic modules and key components (i.e. cells) originating in or consigned from the People's Republic of China for the period of application of definitive measures