[Tizen] Screen orientation lock should not depend on sensor.

If JS client invokes the API screen.orientation.lock, the actual screen should be locked to correct orientation no matter whether the sensor is connected. The CL is to remove the logic of checking sensor connection.
My point is that you do not mention any of this anywhere in the patch at all. You should either explain why this should be part of this commit (in the commit itself, not to me) or move it to a separate commit or pull request.