project-lakitu: cleanup stackdriver services

After removing stackdriver-monitoring, we nolonger require
the stackdrvier-metadata services and stackdriver-docker-network

BUG=b/183105423
TEST=presubmit and manual verification
RELEASE_NOTE=None

Change-Id: Ia51862c280919794dc3c7317e84985c54e187154
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/14530
Reviewed-by: Roy Yang <royyang@google.com>
Reviewed-by: Sam Kunz <samkunz@google.com>
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
5 files changed