Revert of Create CSRSS Lockdown feature for finching

Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of https://codereview.chromium.org/2862563004/ )

Reason for revert:
This change coincides with our Win 10 GPU bots starting to fail all Telemetry based tests.

BUG=719547
Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed: https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836aa91e0cf8b87f

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430

[vmiura, 2017-05-08 19:20:35]

The CQ bit was checked by vmiura@chromium.org

[vmiura, 2017-05-08 19:20:36]

Created Revert of Create CSRSS Lockdown feature for finching

[commit-bot: I haz the power, 2017-05-08 19:21:28]

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, 2017-05-08 21:28:29]

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

[commit-bot: I haz the power, 2017-05-08 21:28:30]

Try jobs failed on following builders:
  win_chromium_x64_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

[vmiura, 2017-05-08 21:42:41]

Description was changed from

==========
Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of
https://codereview.chromium.org/2862563004/ )

Reason for revert:
This change coincides with our Win 10 GPU bots starting to fail all Telemetry
based tests.

BUG=719547

Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be
finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836a...

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430
==========

to

==========
Revert of Create CSRSS Lockdown feature for finching (patchset #2 id:20001 of
https://codereview.chromium.org/2862563004/ )

Reason for revert:
This change coincides with our Win 10 GPU bots starting to fail all Telemetry
based tests.

BUG=719547

Original issue's description:
> This creates a feature "EnableCsrssLockdown" so that this capability can be
finched.
> 
> BUG=464430
> 
> Review-Url: https://codereview.chromium.org/2862563004
> Cr-Commit-Position: refs/heads/master@{#469712}
> Committed:
https://chromium.googlesource.com/chromium/src/+/1290a798ea209beefb9c00e8836a...

TBR=wfh@chromium.org,asvitkine@chromium.org,liamjm@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=464430
==========

[vmiura, 2017-05-08 21:42:50]

On 2017/05/08 21:28:30, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   win_chromium_x64_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_x64_...)

Already landed in https://codereview.chromium.org/2867103003