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

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

Change-Id: Ib404344f3105a30b127aa105f316c1fab8527c1e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>