[turbofan] Remove dead code from SimplifiedLowering.

[turbofan] Remove dead code from SimplifiedLowering.

This is follow-up cleanup for the flags that are no longer used inside
SimplifiedLowering.

R=jarin@chromium.org

Committed: https://crrev.com/42c296487ecc8ee981b84ef774786e4d4c639185
Cr-Commit-Position: refs/heads/master@{#37652}

[Benedikt Meurer, 2016-07-11 12:58:02]

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

[commit-bot: I haz the power, 2016-07-11 12:58:06]

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

[Jarin, 2016-07-11 12:59:23]

lgtm

[Benedikt Meurer, 2016-07-11 13:02:12]

The CQ bit was unchecked by bmeurer@chromium.org

[Benedikt Meurer, 2016-07-11 13:02:16]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-07-11 13:02:22]

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

[commit-bot: I haz the power, 2016-07-11 13:02:23]

This CL has an open dependency (Issue 2138753002 Patch 20001). Please resolve
the dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[Benedikt Meurer (Google), 2016-07-11 16:01:41]

The CQ bit was checked by bmeurer@google.com

[commit-bot: I haz the power, 2016-07-11 16:01:53]

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, 2016-07-11 16:04:18]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-11 16:04:58]

Description was changed from

==========
[turbofan] Remove dead code from SimplifiedLowering.

This is follow-up cleanup for the flags that are no longer used inside
SimplifiedLowering.

R=jarin@chromium.org
==========

to

==========
[turbofan] Remove dead code from SimplifiedLowering.

This is follow-up cleanup for the flags that are no longer used inside
SimplifiedLowering.

R=jarin@chromium.org

Committed: https://crrev.com/42c296487ecc8ee981b84ef774786e4d4c639185
Cr-Commit-Position: refs/heads/master@{#37652}
==========

[commit-bot: I haz the power, 2016-07-11 16:04:58]

Patchset 1 (id:??) landed as
https://crrev.com/42c296487ecc8ee981b84ef774786e4d4c639185
Cr-Commit-Position: refs/heads/master@{#37652}