[promises] Remove unused symbols

[promises] Remove unused symbols

BUG=v8:5343
Review-Url: https://codereview.chromium.org/2591033002
Cr-Commit-Position: refs/heads/master@{#41880}
Committed: https://chromium.googlesource.com/v8/v8/+/3952394a93504b9e7f58da02a0a7e4635d661867

[gsathya, 2016-12-20 20:08:39]

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

[commit-bot: I haz the power, 2016-12-20 20:08:44]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[gsathya, 2016-12-20 20:14:02]

gsathya@chromium.org changed reviewers:
+ adamk@chromium.org

[commit-bot: I haz the power, 2016-12-20 20:37:03]

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

[commit-bot: I haz the power, 2016-12-20 20:37:04]

Dry run: This issue passed the CQ dry run.

[adamk, 2016-12-20 22:56:36]

lgtm

[gsathya, 2016-12-21 00:52:28]

The CQ bit was checked by gsathya@chromium.org

[commit-bot: I haz the power, 2016-12-21 00:52:34]

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, 2016-12-21 00:54:32]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482281548160950, "parent_rev":
"90291792e68f812df8f225f8528cb7755bbfa76b", "commit_rev":
"3952394a93504b9e7f58da02a0a7e4635d661867"}

[commit-bot: I haz the power, 2016-12-21 00:54:37]

Description was changed from

==========
[promises] Remove unused symbols

BUG=v8:5343
==========

to

==========
[promises] Remove unused symbols

BUG=v8:5343

Review-Url: https://codereview.chromium.org/2591033002
Cr-Commit-Position: refs/heads/master@{#41880}
Committed:
https://chromium.googlesource.com/v8/v8/+/3952394a93504b9e7f58da02a0a7e4635d6...
==========

[commit-bot: I haz the power, 2016-12-21 00:54:38]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/3952394a93504b9e7f58da02a0a7e4635d6...