Revert of exo: Default pointer surface. (patchset #1 id:1 of...

Revert of exo: Default pointer surface. (patchset #1 id:1 of https://codereview.chromium.org/1696533003/ )

Reason for revert:
This workaround is no longer needed.

Original issue's description:
> exo: Default pointer surface.
>
> BUG=
>
> Committed: https://crrev.com/85823af3165670d39e0a334e9b44d6dfa62f7ee6
> Cr-Commit-Position: refs/heads/master@{#375501}

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

Review URL: https://codereview.chromium.org/1705343002

Cr-Commit-Position: refs/heads/master@{#376021}