Revert of Add the rest of web platform pointerevent tests (patchset #11 id:200001 of https://codereview.chromium.org/2056333002/ )

Reason for revert:
Pointer event tests fail on linux: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20%28dbg%29/builds/8274 and Win: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/builds/20854 (possibly others).

Original issue's description:
> Add the rest of web platform pointerevent tests
>
> Add input injection for the rest of web platform
> pointerevent tests.
>
> BUG=612924
>
> Committed: https://crrev.com/23ce92bfe9a1160e552a91d443e788f303f1eb6d
> Cr-Commit-Position: refs/heads/master@{#403812}

TBR=mustaq@chromium.org,dtapuska@chromium.org,rbyers@chromium.org,lanwei@chromium.org,nzolghadr@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=612924

Review-Url: https://codereview.chromium.org/2129453002
Cr-Commit-Position: refs/heads/master@{#403865}
65 files changed