Revert of Added bluetooth LE support on Mac platform

Revert of Added bluetooth LE support on Mac platform (patchset #13 id:340001 of https://codereview.chromium.org/791763005/)

Reason for revert:
Breaks compile:
http://build.chromium.org/p/chromium.mac/builders/Mac%20Builder/builds/17750

../../device/bluetooth/bluetooth_low_energy_discovery_manager_mac.mm:119:30: error: class method '+UUIDWithString:' not found (return type defaults to 'id') [-Werror,-Wobjc-method-access]
      CBUUID* uuid = [CBUUID UUIDWithString:uuidString];
                             ^~~~~~~~~~~~~~

../../device/bluetooth/bluetooth_low_energy_device_mac.mm:82:39: error: use of undeclared identifier 'CBAdvertisementDataIsConnectable'
      [advertisementData objectForKey:CBAdvertisementDataIsConnectable];
                                      ^
../../device/bluetooth/bluetooth_low_energy_device_mac.mm:85:39: error: use of undeclared identifier 'CBAdvertisementDataServiceDataKey'
      [advertisementData objectForKey:CBAdvertisementDataServiceDataKey];
                                      ^
2 errors generated.

Original issue's description:
> Added bluetooth LE support on Mac platform
>
> BUG=449682
>
> Committed: https://crrev.com/42f79f8b08a99190627f3a67e86a378987104a4a
> Cr-Commit-Position: refs/heads/master@{#315190}

TBR=armansito@chromium.org,avi@chromium.org,groby@chromium.org,dvh@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=449682
Committed: https://crrev.com/46b4983d6119b1e4b0c441c61fcbe10b4eb56335
Cr-Commit-Position: refs/heads/master@{#315191}

[ccameron, 2015-02-07 08:33:10]

Created Revert of Added bluetooth LE support on Mac platform

[commit-bot: I haz the power, 2015-02-07 08:33:16]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/871843009/1

[commit-bot: I haz the power, 2015-02-07 08:33:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-07 08:34:25]

Patchset 1 (id:??) landed as
https://crrev.com/46b4983d6119b1e4b0c441c61fcbe10b4eb56335
Cr-Commit-Position: refs/heads/master@{#315191}