Simplify gem dependencies
- we don't need the
grpc
gem in_support/Gemfile
- there is no direct dependency between
gitaly-proto
andgoogle-protobuf
- it does not matter to gitaly-proto what version of
grpc
a client uses
Replaces !229 (closed) and !222 (closed).
Reverts !186 (merged)
Edited by Jacob Vosmaer