[v8] Remove obsolete TSAN suppression for V8 zones.

Bug: 244755
Change-Id: Ib1ecb888e82d99393cd15d867cae7c0f0d7ca9a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1769446Reviewed-by: Max Moroz <mmoroz@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691069}

build/sanitizers/tsan_suppressions.cc

@@ -41,9 +41,6 @@ char kTSanDefaultSuppressions[] =
     // http://crbug.com/157586
     "race:third_party/libvpx/source/libvpx/vp8/decoder/threading.c\n"
 
-    // http://crbug.com/244755
-    "race:v8::internal::Zone::NewExpand\n"
-
     // http://crbug.com/244856
     "race:libpulsecommon*.so\n"