remove now-dead flag

remove now-dead flag, as it is also not defined in skia's gypi

TBR=robertphilips@chromium.org

Committed: https://crrev.com/945df7247b8518ed8df41d4f54b92110b968087f
Cr-Commit-Position: refs/heads/master@{#293576}

[reed1, 2014-09-05 17:27:40]

reed@google.com changed reviewers:
+ robertphillips@chromium.org

[reed1, 2014-09-05 17:27:43]

The CQ bit was checked by reed@google.com

[robertphillips, 2014-09-05 17:29:25]

robertphillips@google.com changed reviewers:
+ robertphillips@google.com

[robertphillips, 2014-09-05 17:29:26]

lgtm

[commit-bot: I haz the power, 2014-09-05 17:30:58]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/reed@google.com/546893002/1

[commit-bot: I haz the power, 2014-09-05 19:33:27]

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

[commit-bot: I haz the power, 2014-09-05 19:33:28]

Exceeded time limit waiting for builds to trigger.

[reed1, 2014-09-05 19:59:07]

The CQ bit was checked by reed@google.com

[commit-bot: I haz the power, 2014-09-05 20:01:17]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/reed@google.com/546893002/1

[commit-bot: I haz the power, 2014-09-05 20:57:01]

Committed patchset #1 (id:1) as 8ee54682ed2c89514800df146e96e71601869fa6

[commit-bot: I haz the power, 2014-09-10 03:41:25]

Patchset 1 (id:??) landed as
https://crrev.com/945df7247b8518ed8df41d4f54b92110b968087f
Cr-Commit-Position: refs/heads/master@{#293576}