Remove CollectSample() and SetIdle(), advance deprecation of GetCallUid()

Change-Id: Idb8c4f4d14bc5318a430e3549aaff7a41a911557
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1805641Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63805}