Disable unused Python 2 variant. am: d1e64a3f90

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

Change-Id: I5215b00ff66c486d684aba62bc7cc79827ef1c9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>