Revert of Make ChromeVox Next the default ChromeVox experience

Revert of Make ChromeVox Next the default ChromeVox experience (patchset #3 id:40001 of https://chromiumcodereview.appspot.com/2410773003/ )

Reason for revert:
Causing many interactive_ui_tests failures, see e.g. https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/19184

Original issue's description:
> Make ChromeVox Next the default ChromeVox experience
>
> - removes obsolete key configuration code from options; this leaves options as a simple, clean list of documentable settings
> - change the tutorial url to point to the Next tutorial
>
> Pending/Optional
> - change the update notification to point to a release note (rather than the tutorial)
>
> BUG=613255, 618097
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

TBR=dmazzoni@chromium.org,achuith@chromium.org,dtseng@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=613255, 618097
Committed: https://crrev.com/f9e01d4887910e1a5a385359fdd75f1ed3373fa5
Cr-Commit-Position: refs/heads/master@{#426685}

[Peter Kasting, 2016-10-21 01:52:38]

The CQ bit was checked by pkasting@chromium.org

[Peter Kasting, 2016-10-21 01:52:39]

Created Revert of Make ChromeVox Next the default ChromeVox experience

[commit-bot: I haz the power, 2016-10-21 01:53:01]

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, 2016-10-21 01:54:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-21 13:25:57]

Description was changed from

==========
Revert of Make ChromeVox Next the default ChromeVox experience (patchset #3
id:40001 of https://chromiumcodereview.appspot.com/2410773003/ )

Reason for revert:
Causing many interactive_ui_tests failures, see e.g.
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> Make ChromeVox Next the default ChromeVox experience
> 
> - removes obsolete key configuration code from options; this leaves options as
a simple, clean list of documentable settings
> - change the tutorial url to point to the Next tutorial
> 
> Pending/Optional
> - change the update notification to point to a release note (rather than the
tutorial)
> 
> BUG=613255,618097
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

TBR=dmazzoni@chromium.org,achuith@chromium.org,dtseng@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=613255,618097
==========

to

==========
Revert of Make ChromeVox Next the default ChromeVox experience (patchset #3
id:40001 of https://chromiumcodereview.appspot.com/2410773003/ )

Reason for revert:
Causing many interactive_ui_tests failures, see e.g.
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%...

Original issue's description:
> Make ChromeVox Next the default ChromeVox experience
>
> - removes obsolete key configuration code from options; this leaves options as
a simple, clean list of documentable settings
> - change the tutorial url to point to the Next tutorial
>
> Pending/Optional
> - change the update notification to point to a release note (rather than the
tutorial)
>
> BUG=613255,618097
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

TBR=dmazzoni@chromium.org,achuith@chromium.org,dtseng@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=613255,618097

Committed: https://crrev.com/f9e01d4887910e1a5a385359fdd75f1ed3373fa5
Cr-Commit-Position: refs/heads/master@{#426685}
==========

[commit-bot: I haz the power, 2016-10-21 13:25:58]

Patchset 1 (id:??) landed as
https://crrev.com/f9e01d4887910e1a5a385359fdd75f1ed3373fa5
Cr-Commit-Position: refs/heads/master@{#426685}