Empty external/python/cffi

This module contained prebuilt binaries in its source. With the current
Python support, it is not possible to build this module with Soong.

Bug: 205265538
Test: presubmit
Change-Id: Ib0bcd46f6e91ce37057ac36b9880968ffd72a5ed
201 files changed
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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