Remove partial reports from enterprise reporting.

We used the partial report as a temporary solution to publish to extension request real-time tables. We are currently doing so from the CrOS Reporting API.

Bug: b/284022522
Change-Id: Id3ee5d4967699d24ee3331c0af1854acfe35c0ca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4563754


Commit-Queue: Owen Min <zmin@chromium.org>
Auto-Submit: Parastoo Geranmayeh <parastoog@google.com>
Reviewed-by: Owen Min <zmin@chromium.org>
Quick-Run: Parastoo Geranmayeh <parastoog@google.com>
Commit-Queue: Parastoo Geranmayeh <parastoog@google.com>
Cr-Commit-Position: refs/heads/main@{#1149403}