onclite: unset TARGET_USE_QTI_BT_STACK

* Now its for actual QTI BT. We are using AOSP one.

Change-Id: Ic57e1418f3a5cf403cfad16fbfa5f678fdc210cd

BoardConfig.mk

@@ -95,7 +95,6 @@ TARGET_NO_BOOTLOADER := true
 # Bluetooth
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := $(DEVICE_PATH)/bluetooth
 BOARD_HAVE_BLUETOOTH_QCOM := true
-TARGET_USE_QTI_BT_STACK := true
 
 # Camera
 USE_DEVICE_SPECIFIC_CAMERA := true