Revert of Potential fix for flaky TSAN (patchset #1 id:1 of https://codereview.chromium.org/2084243003/ )

Reason for revert:
I believe I've fixed SkMatrix44::I() to be thread safe, let's test it by reverting this CL.

Original issue's description:
> Potential fix for flaky TSAN
>
> TBR=mtklein@google.com
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2084243003
>
> Committed: https://skia.googlesource.com/skia/+/949999d0bbc247906995358a90c4e436e9152de2

TBR=mtklein@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2091573004
1 file changed