FM Radio: Don't register AUDIO_BECOMING_NOISY intent

FM registers two intent listener for headset removal. Because of the
intents recieved from both listeners, race condition happens. Even antenna
is connected to device, FM app shows antenna as disconnected.
Hence register one listener for headset removal.

Change-Id: Ic6811652a2356a80d3ba3517bf7ea11f73328ed3
1 file changed