Revert of Suppress data races in SkEventTracer (patchset #1 id:1 of...

Revert of Suppress data races in SkEventTracer (patchset #1 id:1 of https://codereview.chromium.org/1081863003/)

Reason for revert:
I think this is fixed.

Original issue's description:
> Suppress data races in SkEventTracer
>
> BUG=437044
> TBR=mtklein@chromium.org
>
> Committed: https://crrev.com/f0a9e71e6ad0b13397d45afeeeba7c0ced15b570
> Cr-Commit-Position: refs/heads/master@{#326024}

TBR=mtklein@chromium.org,glider@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=437044

Review URL: https://codereview.chromium.org/1111433002

Cr-Commit-Position: refs/heads/master@{#327102}

build/sanitizers/tsan_suppressions.cc

@@ -295,9 +295,6 @@ char kTSanDefaultSuppressions[] =
 // https://crbug.com/430533
 "race:TileTaskGraphRunner::Run\n"
 
-// https://crbug.com/437044
-"race:SkEventTracer\n"
-
 // https://crbug.com/448203
 "race:blink::RemoteFrame::detach\n"