Revert of Fix condition in allocator.gyp (patchset #1 id:1 of https://codereview.chromium.org/1610113003/ )
Revert of Fix condition in allocator.gyp (patchset #1 id:1 of https://codereview.chromium.org/1610113003/ )

Reason for revert:
The Win bot is also broken. I give up for today.
https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN/builds/10231/steps/compile/logs/stdio

Original issue's description:
> Fix condition in allocator.gyp
>
> Follow-up to crrev.com/1605023004 which re-broke the tree.
> Turns out win_use_allocator_shim == 1 by default, which defeated
> the conditional introduced by the previous CL.
>
> BUG=564618
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> R=thakis@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/35ec0303600ed8564c1c0ef1376805ebde569c87

TBR=thakis@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=564618

Review URL: https://codereview.chromium.org/1605093004

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#370440}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk