Revert of Test262 roll (patchset #15 id:280001 of https://codereview.chromium.org/2068263002/ )

Reason for revert:
Broke msan and tsan; need to add an extra skip

Original issue's description:
> Test262 roll
>
> This roll does not include a test harness change; infrastructure issues
> still need to be worked out.
>
> Committed: https://crrev.com/d3a95b8a78eefabf884a60bc3d6aac5830b44eb3
> Cr-Commit-Position: refs/heads/master@{#37225}

TBR=adamk@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/2094613004
Cr-Commit-Position: refs/heads/master@{#37226}

DEPS

@@ -31,7 +31,7 @@ deps = {
     Var("git_url") + "/v8/deps/third_party/mozilla-tests.git" + "@" + "f6c578a10ea707b1a8ab0b88943fe5115ce2b9be",
   "v8/test/simdjs/data": Var("git_url") + "/external/github.com/tc39/ecmascript_simd.git" + "@" + "baf493985cb9ea7cdbd0d68704860a8156de9556",
   "v8/test/test262/data":
-    Var("git_url") + "/external/github.com/tc39/test262.git" + "@" + "88bc7fe7586f161201c5f14f55c9c489f82b1b67",
+    Var("git_url") + "/external/github.com/tc39/test262.git" + "@" + "9c45e2ac684bae64614d8eb55789cae97323a7e7",
   "v8/tools/clang":
     Var("git_url") + "/chromium/src/tools/clang.git" + "@" + "ea64c667cd841b2c3268bd7dfd223269f3ea23ba",
 }