Remove chromeos_login, chromeos_speech_synthesis, chromeos_brightness.

These files are no longer used.

BUG=chromium-os:16551,chromium-os:16555,chromium-os:16560
TEST=libcros and chrome build.

Change-Id: I915fd71dd0485062a245aaa85d16905da936525c
Reviewed-on: https://gerrit.chromium.org/gerrit/10812
Tested-by: Satoru Takabayashi <satorux@chromium.org>
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
10 files changed