[CORE-58] Cascade policy deletion #2529

Job	Run time
extract-branch	1s
prepare-configs	1s
tag / tag-job	8s
sam-build-tag-publish-job	5m 5s
create-bee-workflow (dev)	8m 4s
report-to-sherlock / report-new-version	6s
report-to-sherlock / report-workflow / report-workflow-relations	7s
set-version-in-dev	0s
sam-smoke-test-job (dev, qa)	2m 4s
orch-swat-test-job (dev, qa)	9m 8s
sam-swat-test-job (dev, qa)	10m 7s
rawls-swat-test-job (dev, qa, workspaces, -n org.broadinstitute.dsde.test.api.BillingsTest -n org...	9m 4s
rawls-swat-test-job (dev, qa, workspacesAuthDomains, -n org.broadinstitute.dsde.test.api.AuthDoma...	10m 4s
rawls-swat-test-job (dev, qa, workflows, -n org.broadinstitute.dsde.test.api.MethodsTest)	11m 6s
destroy-bee-workflow (dev)	3m 4s
	1h 8m 9s

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