fix(CouponCodeInput): mobile buttons adjusted

Related: quiqqer/template-cologne#103

src/QUI/ERP/Coupons/Products/Handler.php

@@ -13,7 +13,6 @@
 use QUI\ERP\Products\Product\Product;
 use QUI\ExceptionStack;
 use QUI\HtmlToPdf\Document;
-
 use QUI\Translator;
 
 use function array_merge;