Revert of Call DisableInlineAllocation() in heap setup when flag inline_new is...

Revert of Call DisableInlineAllocation() in heap setup when flag inline_new is off. (patchset #1 id:1 of https://codereview.chromium.org/790353006/)

Reason for revert:
Fix Windows nosnap.

Original issue's description:
> Call DisableInlineAllocation() in heap setup when flag inline_new is off.
>
> BUG=

TBR=ulan@chromium.org,mstarzinger@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/794053003

Cr-Commit-Position: refs/heads/master@{#25815}

src/heap/heap.cc

@@ -5393,8 +5393,6 @@ bool Heap::SetUp() {
 
   mark_compact_collector()->SetUp();
 
-  if (!FLAG_inline_new) DisableInlineAllocation();
-
   return true;
 }