This reverts commit 8cb7c3be75.
Just leave Win7 Golo tasks on python 2.
Change-Id: Idf1d6cc6d303107afd8e74cdec94e7a9ec91399e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/416316
Reviewed-by: Ravi Mistry <rmistry@google.com>
Commit-Queue: Eric Boren <borenet@google.com>