后端：删除购物车模块，合并到订单模块

后端：设计订单价格计算相关方法

cart/cart-service-impl/src/main/resources/config/application.yaml

@@ -1,44 +0,0 @@
-spring:
-  # datasource
-  datasource:
-    url: jdbc:mysql://180.167.213.26:13306/mall_cart?useSSL=false&useUnicode=true&characterEncoding=UTF-8
-    driver-class-name: com.mysql.jdbc.Driver
-    username: root
-    password: ${MALL_MYSQL_PASSWORD}
-
-# mybatis
-mybatis:
-  config-location: classpath:mybatis-config.xml
-  mapper-locations: classpath:mapper/*.xml
-  type-aliases-package: cn.iocoder.mall.cart.biz.dataobject
-
-# dubbo
-dubbo:
-  application:
-    name: cart-service
-  registry:
-    address: zookeeper://127.0.0.1:2181
-  protocol:
-    port: -1
-    name: dubbo
-  scan:
-    base-packages: cn.iocoder.mall.cart.biz.service
-
-# xxl-job
-#xxl:
-#  job:
-#    admin:
-#      addresses: http://127.0.0.1:8080/xxl-job-admin
-#    executor:
-#      appname: cart-job-executor
-#      ip:
-#      port: 0
-#      logpath: /Users/yunai/logs/xxl-job/
-#      logretentiondays: 1
-#    accessToken:
-
-# rocketmq
-#rocketmq:
-#  name-server: 127.0.0.1:9876
-#  producer:
-#    group: cart-producer-group