Revert "Save bluetooth state to user pref in settings page"

This reverts commit 70d8265ddf6e4c51e3b47958620b0f28e430457c.

Reason for revert: CrSettingsBluetoothPageTest.All failing on Linux ChromiumOS Tests (dbg)(1) (e.g., https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/29782) with: "Uncaught ReferenceError: PrefsBehavior is not defined", source: chrome://settings/bluetooth_page/bluetooth_page.js (28). Seems related to this CL.

Original change's description:
> Save bluetooth state to user pref in settings page
> 
> BUG=741962
> NOTRY=true
> 
> Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
> Change-Id: I4490d8e5c1033b5a2bc52a51adbe2c3140f55e73
> Reviewed-on: https://chromium-review.googlesource.com/645836
> Commit-Queue: Sonny Sasaka <sonnysasaka@chromium.org>
> Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#499296}

TBR=stevenjb@chromium.org,rkc@chromium.org,sonnysasaka@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 741962
Change-Id: I7280f66ce34f72d641bc0032a41706b6bf8225cd
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Reviewed-on: https://chromium-review.googlesource.com/647752
Reviewed-by: Greg Thompson <grt@chromium.org>
Commit-Queue: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#499475}
3 files changed