Remove some unused symbols.

Remove some unused symbols.

R=franzih@chromium.org

Review-Url: https://codereview.chromium.org/2834053002
Cr-Commit-Position: refs/heads/master@{#44778}
Committed: https://chromium.googlesource.com/v8/v8/+/dfdfc4e0234be6f2f149b0c9e5a4c37f382c7a18

[Yang, 2017-04-21 13:08:14]

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

[commit-bot: I haz the power, 2017-04-21 13:08:22]

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

[Franzi, 2017-04-21 13:20:02]

lgtm

[commit-bot: I haz the power, 2017-04-21 13:36:35]

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

[commit-bot: I haz the power, 2017-04-21 13:36:36]

Dry run: This issue passed the CQ dry run.

[Yang, 2017-04-21 13:38:21]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2017-04-21 13:38:24]

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, 2017-04-21 13:39:59]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492781901697600, "parent_rev":
"d549260a5e9ba990d13660946a005fc03a208063", "commit_rev":
"dfdfc4e0234be6f2f149b0c9e5a4c37f382c7a18"}

[commit-bot: I haz the power, 2017-04-21 13:40:05]

Description was changed from

==========
Remove some unused symbols.

R=franzih@chromium.org
==========

to

==========
Remove some unused symbols.

R=franzih@chromium.org

Review-Url: https://codereview.chromium.org/2834053002
Cr-Commit-Position: refs/heads/master@{#44778}
Committed:
https://chromium.googlesource.com/v8/v8/+/dfdfc4e0234be6f2f149b0c9e5a4c37f382...
==========

[commit-bot: I haz the power, 2017-04-21 13:40:06]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/dfdfc4e0234be6f2f149b0c9e5a4c37f382...