Merge "Remove README.version" into main am: 55976ac2e2

Original change: https://android-review.googlesource.com/c/platform/external/libvpx/+/2922353

Change-Id: Iba6af30aaac4d9c8234866f87970848927519537
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>