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

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

Change-Id: I2af74171593a610c176144d5ab3019642dd44f8a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>