【OpenHarmony开源贡献者计划2022】update zh-cn/device-dev/porting/porting-minichip-subsys-filesystem.md

link https://gitee.com/openharmony/docs/issues/I5QM3VSigned-off-by: N小黄同学 <hys578084@126.com>

zh-cn/device-dev/porting/porting-minichip-subsys-filesystem.md

@@ -88,9 +88,7 @@ lite_component("file") {
    {
    "subsystem": "utils",
    "components": [
-       { "component": "file", "features":[] },
-       { "component": "kv_store", "features":[] },
-       { "component": "os_dump", "features":[] }
+       { "component": "file", "features":[] }
      ]
    },
    ```