Drop separate grpcio installation from Dockerfile crrev.com/c/5906161 introduced system-level python3-grpc-tools, and manually installed ones collide with it and are no longer needed the Dolos requirements need to be installed though, TODO to leverage venv better BUG=b:395482678 TEST=run servod --sversion and /usr/local/bin/doloscmd Change-Id: If594d291c96a30c9dcc9d898a08f306155629012 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/xolabs-common-core/+/6246923 Tested-by: Michal Matyjek <[email protected]> Reviewed-by: Keith Haddow <[email protected]> Commit-Queue: Keith Haddow <[email protected]> Commit-Queue: Michal Matyjek <[email protected]> Auto-Submit: Michal Matyjek <[email protected]>