Remove unused variable service_account
in safer-cluster to avoid confusion
#448
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TL;DR: Remove unused variable
service_account
in modulesafer-cluster
to avoid confusionI found the document of
safer-cluster
a little bit confusing because there are two similar variables about worker nodes' service account:compute_engine_service_account
service_account
After digging into the source code, I found the var
service_account
is unused but is the same word used inmain
module.I think the former one is better understood so I remove the unused one to avoid confusion, even it's the same as the one used in
main
.