Set op-versions for v3.3 peers.

Change-Id: I97ce54061bd52d447f81d9e9e997b85602f866c7
Probed peer will now check if it can lower its op-version

Change-Id: I77704b7d8269294c60f734d506802af67f0e7c57
Remove unused variables

Change-Id: I0bf8e1476f29a66fc9c930925583e52678cfce5f