fix shipping coupon name

@@ -243,7 +243,7 @@ public class CouponConvert {
             }
         }
         if (Integer.valueOf(CouponTypeEnum.SHIPPING_COUPON.getCode()).equals(couponType)){
-            couponDesc = "包邮" + couponAmountSkipDecimal;
+            couponDesc = "包邮";
         }
         return couponDesc;
     }