revert "support multi-zone node for virtual node" #1376
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What type of PR is this?
What this PR does / why we need it:
this reverts commit ed39402
This is behind a env for 3 years, and we have not seen real usage of this feature.
Which issue(s) this PR fixes:
Fixes #
Special notes for your reviewer:
Does this PR introduce a user-facing change?
Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.: