Revert of Reland "Keep track of array buffers in new space separately"

Revert of Reland "Keep track of array buffers in new space separately" (patchset #2 id:20001 of https://codereview.chromium.org/1177083003/)

Reason for revert:
Still broken

Original issue's description:
> Reland "Keep track of array buffers in new space separately"
>
> Original review https://codereview.chromium.org/1133773002/
>
> BUG=v8:3996
> TBR=hpayer@chromium.org
> LOG=n
>
> Committed: https://crrev.com/89b9a2cfb317e52186f682c91502b22932d52db3
> Cr-Commit-Position: refs/heads/master@{#28987}

TBR=hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:3996
Committed: https://crrev.com/a99fe1fd765d1302bec777ee36ebdb0d3216384e
Cr-Commit-Position: refs/heads/master@{#29009}

[jochen (gone - plz use gerrit), 2015-06-14 18:23:00]

Created Revert of Reland "Keep track of array buffers in new space separately"

[commit-bot: I haz the power, 2015-06-14 18:23:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1186613007/1

[commit-bot: I haz the power, 2015-06-14 18:23:23]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-14 18:23:46]

Patchset 1 (id:??) landed as
https://crrev.com/a99fe1fd765d1302bec777ee36ebdb0d3216384e
Cr-Commit-Position: refs/heads/master@{#29009}