Revert of Reland "Enable loads and stores to global vars through property cell shortcuts installed into paren… (patchset #1 id:1 of https://codereview.chromium.org/
1237043006/)
Reason for revert:
chromium:510738, chromium:510911
Original issue's description:
> Reland "Enable loads and stores to global vars through property cell shortcuts installed into parent script context."
>
> Committed: https://crrev.com/
48584df5ed97e2cdec1b4900f783c47adc3a3d32
> Cr-Commit-Position: refs/heads/master@{#29670}
TBR=verwaest@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Review URL: https://codereview.chromium.org/
1238163002
Cr-Commit-Position: refs/heads/master@{#29729}