feat：行业选填

src/main/java/com/winhc/repal/service/impl/RepalCustomerServiceImpl.java

@@ -174,9 +174,6 @@ public class RepalCustomerServiceImpl extends ServiceImpl<RepalCustomerMapper, R
         if(ObjectUtil.isNull(dto.getCustProperty())){
             throw new CommonException(CodeMsg.FAILED,"客户性质不能为空");
         }
-        if(StrUtil.isBlank(dto.getIndustry())){
-            throw new CommonException(CodeMsg.FAILED,"所属行业不能为空");
-        }
          save(repalCustomer);
 
          //保存联系人