Revert of [test] Make msan work for v8 stand-alone. (patchset #6 id:100001 of https...

Revert of [test] Make msan work for v8 stand-alone. (patchset #6 id:100001 of https://codereview.chromium.org/802583003/)

Reason for revert:
Compile failures: http://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20arm64%20-%20sim%20-%20MSAN/builds/2047

Original issue's description:
> [test] Make msan work for v8 stand-alone.
>
> The msan configuration can be used in combination with
> v8_use_snapshot=false.
>
> BUG=chromium:425187
> LOG=n
>
> Committed: https://crrev.com/a65ef0d53fc28b0908f228938c6d84effa83c596
> Cr-Commit-Position: refs/heads/master@{#28064}

TBR=jochen@chromium.org,earthdok@chromium.org,svenpanne@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:425187

Review URL: https://codereview.chromium.org/1104073002

Cr-Commit-Position: refs/heads/master@{#28068}