[heap] Remove some more dead code in MC

[heap] Remove some more dead code in MC

BUG=

Review-Url: https://codereview.chromium.org/2833373003
Cr-Commit-Position: refs/heads/master@{#44817}
Committed: https://chromium.googlesource.com/v8/v8/+/a91333dfce32349eddb2bf7e086420a4de755795

[Michael Lippautz, 2017-04-24 16:23:41]

The CQ bit was checked by mlippautz@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-24 16:23:55]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-24 16:52:55]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-24 16:52:56]

Dry run: This issue passed the CQ dry run.

[Hannes Payer (out of office), 2017-04-24 20:01:17]

hpayer@chromium.org changed reviewers:
+ hpayer@chromium.org

[Hannes Payer (out of office), 2017-04-24 20:01:17]

lgtm

[Michael Lippautz, 2017-04-24 20:03:09]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2017-04-24 20:03:24]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-24 20:04:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493064189915320, "parent_rev":
"1dec31984eac16f6d8a73bb0b3cd337538b83c66", "commit_rev":
"a91333dfce32349eddb2bf7e086420a4de755795"}

[commit-bot: I haz the power, 2017-04-24 20:05:00]

Description was changed from

==========
[heap] Remove some more dead code in MC

BUG=
==========

to

==========
[heap] Remove some more dead code in MC

BUG=

Review-Url: https://codereview.chromium.org/2833373003
Cr-Commit-Position: refs/heads/master@{#44817}
Committed:
https://chromium.googlesource.com/v8/v8/+/a91333dfce32349eddb2bf7e086420a4de7...
==========

[commit-bot: I haz the power, 2017-04-24 20:05:01]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/a91333dfce32349eddb2bf7e086420a4de7...