fixed 8c043508 from https://gitee.com/zhao-xinyu007/docs/pulls/15362

modify menu docs
Signed-off-by: Nzhaoxinyu <zhaoxinyu20@huawei.com>
Change-Id: I0d1155d0df3d5cdebfba8e42d2e9c5fad2a6b9cd

zh-cn/application-dev/reference/arkui-ts/ts-basic-components-menu.md

 # Menu
 
-以垂直列表形式显示的菜单，优先用于PC端的菜单开发。
+以垂直列表形式显示的菜单。
 
 > **说明：**
 >