[wasm] Update core wasm spec tests

This is a followup change for https://crrev.com/c/1437275 to keep
the core wasm spec tests in sync with the tests checked out in
test/wasm-js/data.

R=clemensh@chromium.org

Change-Id: I3c78c5db647e9c871b4c64efbc9656acd1266efb
Reviewed-on: https://chromium-review.googlesource.com/c/1442638
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59166}

test/wasm-spec-tests/tests.tar.gz.sha1

-78d11c7ae0a3c742f2e14aaf4d06fad6960120b8
+f6dd9e0d05ec9358b0932862606d0345da0f21f1
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