Revert "t0lte: user configureable voice/streaming volumes [1/2]"

This reverts commit 56b68617e0dff7e1f4cf879b8531ad57037d9fac.

Conflicts:
	overlay-cdma/device/samsung/smdk4412-common/DeviceSettings/res/values/config.xml
	rootdir/init.smdk4x12.rc

Change-Id: I927c0eba5c25dac3ebe3b2ed6af81f943f838bdf

Conflicts:
	audio/audio_hw.c
	overlay-cdma/packages/apps/Settings/res/values/bools.xml