update zh-cn/application-dev/reference/apis/js-apis-system-mediaquery.md.

Signed-off-by: N LiAn <lian15@huawei.com>

update zh-cn/application-dev/reference/apis/js-apis-system-mediaquery.md.
Signed-off-by: N LiAn <lian15@huawei.com>
745d8235 · LiAn · Gitee · 77732ee1 · 745d8235
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zh-cn/application-dev/reference/apis/js-apis-system-mediaquery.md ...plication-dev/reference/apis/js-apis-system-mediaquery.md +0 -2

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--- a/zh-cn/application-dev/reference/apis/js-apis-system-mediaquery.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-system-mediaquery.md
@@ -118,8 +118,6 @@ removeListener(callback: (event: MediaQueryEvent) => void): void

 **示例：**

-**示例：**
-
 ```
 mMediaQueryList.removeListener(maxWidthMatch);
 ```