Revert "[ChromeDriver] Handle pauses in Perform Actions"

This reverts commit 70ffd44758afa0d3d2a7c71adf4d4513190306e4.

Reason for revert: Causing failures on Mac 10.13 bot: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Mac10.13%20Tests/8478

Original change's description:
> [ChromeDriver] Handle pauses in Perform Actions
> 
> W3C spec allows the app to specify pauses within Perform Actions command
> (https://w3c.github.io/webdriver/#dfn-dispatch-actions). Updating
> ChromeDriver to handle these pauses.
> 
> Bug: chromedriver:1897
> Change-Id: I533179f4a9f2216bfacf0f4fdb539c8f898bed07
> Reviewed-on: https://chromium-review.googlesource.com/c/1392281
> Commit-Queue: John Chen <johnchen@chromium.org>
> Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#619506}

TBR=lanwei@chromium.org,crouleau@chromium.org,johnchen@chromium.org

Change-Id: Ia03b2b463e5baa93ec1e96c773f38eb9c82f2808
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: chromedriver:1897
Reviewed-on: https://chromium-review.googlesource.com/c/1394664
Reviewed-by: Tommy Steimel <steimel@chromium.org>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619666}
2 files changed