Remove FLAG_cache_optimized_code because we always have it on.

Remove FLAG_cache_optimized_code because we always have it on.

The data structure that holds the optimized code is becoming essential for
additional functionality, too.

R=mstarzinger@chromium.org
BUG=

Committed: https://crrev.com/76bee8067253da517a91c513cbeeb69a35f86d65
Cr-Commit-Position: refs/heads/master@{#31216}

[mvstanton, 2015-10-09 14:59:08]

Hi Michi, here is a quick CL to remove the flag we discussed.
Thanks,
--Michael

[Michael Starzinger, 2015-10-12 08:26:46]

LGTM, we should also remove the flag from the regress-2193.js file.

[mvstanton, 2015-10-12 15:46:13]

The CQ bit was checked by mvstanton@chromium.org

[mvstanton, 2015-10-12 15:46:13]

The patchset sent to the CQ was uploaded after l-g-t-m from
mstarzinger@chromium.org
Link to the patchset: https://codereview.chromium.org/1399033002/#ps20001
(title: "comments.")

[commit-bot: I haz the power, 2015-10-12 15:46:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1399033002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1399033002/20001

[commit-bot: I haz the power, 2015-10-12 16:10:49]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-12 16:11:10]

Patchset 2 (id:??) landed as
https://crrev.com/76bee8067253da517a91c513cbeeb69a35f86d65
Cr-Commit-Position: refs/heads/master@{#31216}