Proto dependencies cleanup (#596)

README.md

apigrpc/apigrpc.pb.go

build/tools.go

console/console.pb.go

console/protoc-gen-angular/go.mod

console/protoc-gen-angular/go.sum

go.mod

go.sum

main.go

server/api.go

server/api_account.go

server/api_event.go

server/api_friend.go

server/api_group.go

server/api_leaderboard.go

server/api_link.go

server/api_notification.go

server/api_purchase.go

server/api_session.go

server/api_storage.go