style: header blocks blank lines

src/QUI/ERP/Discount/EventHandling.php

@@ -12,7 +12,6 @@
 use QUI\ERP\Products\Product\UniqueProduct;
 use QUI\ERP\Products\Utils\Calc;
 use QUI\ERP\Products\Product\ProductList;
-
 use QUI\System\Console\Tools\MigrationV2;
 
 use function array_filter;