Revert of Bringing 4 more BluetoothTest.* unit tests to Mac

Revert of Bringing 4 more BluetoothTest.* unit tests to Mac (patchset #6 id:160001 of https://codereview.chromium.org/1246913006/)

Reason for revert:
https://code.google.com/p/chromium/issues/detail?id=516032

Linking failure on mac debug bot.

Original issue's description:
> Modified BluetoothTestMac to support device discovery tests.
>
> Also implemented utility function FindCBUUIDForHashTarget() to find
> relatively simple CBUUIDs mapping (under SHA256 plus truncating) to
> a 6 byte address with the first 3 bytes specified.  Used to choose
> CBUUID / bluetooth address pairs for testing.
>
> BUG=511008
>
> Committed: https://crrev.com/5a0eceb28201302bcb45621015119bd73351d659
> Cr-Commit-Position: refs/heads/master@{#341400}

TBR=armansito@chromium.org,davidben@chromium.org,scheib@chromium.org,krstnmnlsn@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=511008
Committed: https://crrev.com/cec0b556a5d67a411e7beffd01a7e793ff8f202b
Cr-Commit-Position: refs/heads/master@{#341410}

[dmurph, 2015-07-31 21:05:47]

Created Revert of Bringing 4 more BluetoothTest.* unit tests to Mac

[commit-bot: I haz the power, 2015-07-31 21:06:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1265023004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1265023004/1

[commit-bot: I haz the power, 2015-07-31 21:08:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-31 21:09:27]

Patchset 1 (id:??) landed as
https://crrev.com/cec0b556a5d67a411e7beffd01a7e793ff8f202b
Cr-Commit-Position: refs/heads/master@{#341410}