删除待停用的接口

Signed-off-by: Nxujie <xujie223@huawei.com>

zh-cn/application-dev/reference/apis/Readme-CN.md

@@ -18,8 +18,6 @@
     - [@ohos.app.form.FormExtensionAbility (FormExtensionAbility)](js-apis-app-form-formExtensionAbility.md)
     - [@ohos.application.DataShareExtensionAbility (数据共享扩展能力)](js-apis-application-dataShareExtensionAbility.md)
     - [@ohos.application.StaticSubscriberExtensionAbility (StaticSubscriberExtensionAbility)](js-apis-application-staticSubscriberExtensionAbility.md)
-  - Stage模型能力的接口(待停用)
-    - [@ohos.application.EnvironmentCallback (EnvironmentCallback)](js-apis-application-environmentCallback.md)
   - FA模型能力的接口
     - [@ohos.ability.ability (Ability)](js-apis-ability-ability.md)
     - [@ohos.ability.featureAbility (FeatureAbility模块)](js-apis-ability-featureAbility.md)