bug bash: what does Synced condition mean?

[circy9]

It is unclear what Synced means in InternalMemberCluster and whether it is useful.

- lastTransitionTime: "2022-07-20T18:21:59Z"
  message: ""
  reason: ReconcileSuccess
  status: "True"
  type: Synced

[ryanzhang-oss]

I think we can remove this