Remove REAMDE.version am: 2aa41de569

Original change: https://android-review.googlesource.com/c/platform/external/libopus/+/2922354

Change-Id: I41e15de2a0f2c2c5a4d1435865d3420000125ab1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>