Revert of Enable PassiveDocumentEventListeners on waterfall. (patchset #2 id:20001 of https://codereview.chromium.org/2119403002/ )

Reason for revert:
Revert this for now. We are seeing cc:scheduler changes as a result of this and we need to understand them better and I'm not going to be in the office the next two days.

Original issue's description:
> Enable PassiveDocumentEventListeners on waterfall.
>
> Enable passive document event listeners finch experimentl on waterfall.
>
> BUG=625675
> R=rkaplow@chromium.org
>
> Committed: https://crrev.com/19233086ad7e2363e7e1d14582dc6a5428816169
> Cr-Commit-Position: refs/heads/master@{#404351}

TBR=rkaplow@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=625675

Review-Url: https://codereview.chromium.org/2149673002
Cr-Commit-Position: refs/heads/master@{#405240}
5 files changed