fix 提供方式不存在插入商品

mec-biz/src/main/java/com/ym/mec/biz/service/impl/MusicGroupServiceImpl.java

@@ -629,7 +629,6 @@ public class MusicGroupServiceImpl extends BaseServiceImpl<String, MusicGroup> i
         BigDecimal otherFee = BigDecimal.ZERO;
         BigDecimal remitFee = BigDecimal.ZERO;
 
-
         //乐器及打包辅件
         List<MusicGroupSubjectGoodsGroup> goodsGroups = new ArrayList<>();
         if (studentRegistration.getTemporaryCourseFee() != null) {