Finish 3 step fully automated scripting (clean-org-to-bootstrap, setup-kcc.sh, lz-deployment.sh)

see #192
script needs to be retrofitted from V1 - but the beginnings of a clean-organization to bootstrap project is there.
https://github.com/GoogleCloudPlatform/pubsec-declarative-toolkit/blob/dev/solutions/landing-zone/deployment.sh

We already have setup-kcc.sh in https://github.com/ssc-spc-ccoe-cei/gcp-tools/blob/main/scripts/bootstrap/setup-kcc.sh

we are extracting out the 2-5 package minimal V2 landing zone in https://github.com/GoogleCloudPlatform/pubsec-declarative-toolkit/issues/534