rm submodule Link-CMP cache

[Neutree]

删除之前使用子模块,后来改方式后没有删干净缓存的bug,

这个bug会导致使用这个仓库作为其它工程的子模块时无法使用--recursive参数

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1 out of 3 committers have signed the CLA.

:white_check_mark: Neutree
:x: Jia , Ning
:x: shinyshy

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