msm: usbaudio: remove usbaudiosdev switch

- Remove usbaudiosdev switch to avoid reporting
  analog dock headset for USB headset

Change-Id: Ib5f505385742b708a98f13ab6fd98808b6d1803e
Signed-off-by: Divya Narayanan Poojary <dnaray@codeaurora.org>
1 file changed