The histograms were removed from chrome. This CL cleans up the V8 code
to stop reporting samples.

R=ahaas@chromium.org

Bug: chromium:1053285
Change-Id: I7c6ff36ac9bb5d86e81e5f36849903a95a8ed618
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2083478Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66553}