Revert of [heap] Fix chunk map removal for large objects. (patchset #1 id:1 of...

Revert of [heap] Fix chunk map removal for large objects. (patchset #1 id:1 of https://codereview.chromium.org/2042123003/ )

Reason for revert:
Fails on noi18n debug build (https://build.chromium.org/p/client.v8/builders/V8%20Linux%20-%20noi18n%20-%20debug/builds/8040/steps/Check/logs/unbox-double-arrays), please take a look.

Original issue's description:
> [heap] Fix chunk map removal for large objects.
>
> BUG=
>
> Committed: https://crrev.com/65dac7f8ead2eb09d417ecaaae0164699edfd510
> Cr-Commit-Position: refs/heads/master@{#36802}

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

Review-Url: https://codereview.chromium.org/2046283002
Cr-Commit-Position: refs/heads/master@{#36803}

src/heap/spaces.cc

@@ -3126,8 +3126,8 @@ void LargeObjectSpace::FreeUnmarkedObjects() {
       Address free_start;
       if ((free_start = current->GetAddressToShrink()) != 0) {
         // TODO(hpayer): Perform partial free concurrently.
-        RemoveChunkMapEntries(current, free_start);
         heap()->memory_allocator()->PartialFreeMemory(current, free_start);
+        RemoveChunkMapEntries(current, free_start);
       }
       previous = current;
       current = current->next_page();