This got decided at the PTG. The code is old, not maintained, not tested
and most likely doesn't work anymore. Moreover it gave us a hard
dependency on grpcio and protobuf, which is fairly problematic in Python
and gave us all sorts of headaches.
Change-Id: I0c8c91cdd3e1284e7a3c1e9fe04b4c0fbbde7e45
04d4439606