Disable unused Python 2 variant. am: d1e64a3f90 am: 314d95bc6a am: 54b8e1545d am: 8996ce3b20

Original change: https://android-review.googlesource.com/c/platform/external/python/markupsafe/+/2221451

Change-Id: Iea5552e5d2d0f695de6fe775ce3cb6aa1e045e52
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>