Do not override protobuf version
Do not override protobuf version

the version is declared in odlparent, no need to specify it again.

Change-Id: If151b2388c881dc6e5fae3ec1e30a6b921badce2
Signed-off-by: Robert Varga <b8bd3df785fdc0ff42dd1710c5d91998513c57ef@cisco.com>

opendaylight/controller