Remove obsolete keywords table migrating function

Remove obsolete keywords table migrating function

Since the function KeywordTable::MigrateKeywordsTableForVersion45
is not used in codebase, it's safe to remove it.

R=pkasting@chromium.org
BUG=665018
Committed: https://crrev.com/62ef852f1de25d4ba2d877342791fb860479effd
Cr-Commit-Position: refs/heads/master@{#436188}

[Peter Kasting, 2016-12-03 23:19:28]

LGTM

[Sunny, 2016-12-04 05:04:11]

The CQ bit was checked by ratsunny@gmail.com

[commit-bot: I haz the power, 2016-12-04 05:04:24]

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, 2016-12-04 05:45:26]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480827851577200, "parent_rev":
"967216c48ee81b6dc6896f5750a0aa0643a25e93", "commit_rev":
"ea7b611a351cf32c89b7e534da502c71eed3a55a"}

[commit-bot: I haz the power, 2016-12-04 05:46:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-04 05:49:54]

Description was changed from

==========
Remove obsolete keywords table migrating function

Since the function KeywordTable::MigrateKeywordsTableForVersion45
is not used in codebase, it's safe to remove it.

R=pkasting@chromium.org
BUG=665018
==========

to

==========
Remove obsolete keywords table migrating function

Since the function KeywordTable::MigrateKeywordsTableForVersion45
is not used in codebase, it's safe to remove it.

R=pkasting@chromium.org
BUG=665018

Committed: https://crrev.com/62ef852f1de25d4ba2d877342791fb860479effd
Cr-Commit-Position: refs/heads/master@{#436188}
==========

[commit-bot: I haz the power, 2016-12-04 05:49:55]

Patchset 1 (id:??) landed as
https://crrev.com/62ef852f1de25d4ba2d877342791fb860479effd
Cr-Commit-Position: refs/heads/master@{#436188}