Remove reference to old gn win x64 bot in roll_gn.py.

Remove reference to old gn win x64 bot in roll_gn.py.

R=brettw@chromium.org
BUG=

Committed: https://crrev.com/aec64c190cd89a0bc5e933fe96fc9a3641e29d7b
Cr-Commit-Position: refs/heads/master@{#391701}

[Dirk Pranke, 2016-05-04 23:03:32]

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

[commit-bot: I haz the power, 2016-05-04 23:03:49]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1947123004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1947123004/1

[brettw, 2016-05-04 23:30:33]

lgtm

[commit-bot: I haz the power, 2016-05-04 23:42:37]

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

[commit-bot: I haz the power, 2016-05-04 23:42:38]

Dry run: This issue passed the CQ dry run.

[Dirk Pranke, 2016-05-04 23:54:04]

The CQ bit was checked by dpranke@chromium.org

[commit-bot: I haz the power, 2016-05-04 23:54:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1947123004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1947123004/1

[commit-bot: I haz the power, 2016-05-04 23:59:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-05 00:01:07]

Description was changed from

==========
Remove reference to old gn win x64 bot in roll_gn.py.

R=brettw@chromium.org
BUG=
==========

to

==========
Remove reference to old gn win x64 bot in roll_gn.py.

R=brettw@chromium.org
BUG=

Committed: https://crrev.com/aec64c190cd89a0bc5e933fe96fc9a3641e29d7b
Cr-Commit-Position: refs/heads/master@{#391701}
==========

[commit-bot: I haz the power, 2016-05-05 00:01:08]

Patchset 1 (id:??) landed as
https://crrev.com/aec64c190cd89a0bc5e933fe96fc9a3641e29d7b
Cr-Commit-Position: refs/heads/master@{#391701}