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This CL will stop recording data for the
Event.Touch.InputEventTimeStamp.DeltaBetweenTimeNowAndPerformanceCount.*
and Event.Pen.InputEventTimeStamp.DeltaBetweenTimeNowAndPerformanceCount.*
histogram. These histograms were added as an experiment to collect
information about the drift between TimeTicks::Now and PerformanceCount.
There is no more need to record the delta between them and so removing
the histogram.

Change-Id: I4284dddd8b2d5be70302df4179cca1b85de263a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1866909Reviewed-by: Navid Zolghadr <nzolghadr@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Sarthak Shah <sarsha@microsoft.com>
Cr-Commit-Position: refs/heads/master@{#708338}