Remove Python 2 "test" that doesn't test anything. am: b37855cd3b am: 984419b6bb am: b63afef493 am: f6413af19b

Original change: https://android-review.googlesource.com/c/platform/external/libcxx/+/2219911

Change-Id: If2348672d3b07c1c908ccf089d259187f8121e85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>