[identifiability] Remove IdentifiabilityStudyState
As part of cleaning up the Identifiability Study / Privacy Budget
code, this CL removes the IdentifiabilityStudyState together with the
code that instantiated and owned it in UKM infrastructure.
Bug: 451513551
Change-Id: I04e498dd487aae2ab66d4dd560634ba3d4065159
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7209046
Commit-Queue: Antonio Sartori <antoniosartori@chromium.org>
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1552142}
NOKEYCHECK=True
GitOrigin-RevId: 0d71dc34984b70f2d997b1023f5a824d93945737
2 files changed
