automation: don't create resources when deleting things...
automation: don't create resources when deleting things
Otherwise running these commands can result in resources being
created. In the case of `purge-ec2-resources`, we will create
resources only to delete them immediately afterwards!
With this change, `purge-ec2-resources` now no-ops if no
resources exist.
# no-check-commit because foo_bar function name
Differential Revision:
https://phab.mercurial-scm.org/D6285
