Clean out the obsolete copy of marisa-trie. am: 401b906548

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/marisa-trie/+/12180731

Change-Id: Ia0b20cdaa8908ffa770844870da2fb63d38bf3fc
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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