Bluetooth: Remove deprecated hci_usb driver

The old hci_usb driver has been fully replaced with the new btusb driver
and all major distributions switched to the new driver now. This removes
it since it should not be used at all anymore.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

drivers/bluetooth/Kconfig

@@ -2,26 +2,6 @@
 menu "Bluetooth device drivers"
 	depends on BT
 
-config BT_HCIUSB
-	tristate "HCI USB driver (old version)"
-	depends on USB && BT_HCIBTUSB=n
-	help
-	  Bluetooth HCI USB driver.
-	  This driver is required if you want to use Bluetooth devices with
-	  USB interface.
-
-	  Say Y here to compile support for Bluetooth USB devices into the
-	  kernel or say M to compile it as module (hci_usb).
-
-config BT_HCIUSB_SCO
-	bool "SCO (voice) support"
-	depends on BT_HCIUSB
-	help
-	  This option enables the SCO support in the HCI USB driver. You need this
-	  to transmit voice data with your Bluetooth USB device.
-
-	  Say Y here to compile support for SCO over HCI USB.
-
 config BT_HCIBTUSB
 	tristate "HCI USB driver"
 	depends on USB

drivers/bluetooth/Makefile

@@ -2,7 +2,6 @@
 # Makefile for the Linux Bluetooth HCI device drivers.
 #
 
-obj-$(CONFIG_BT_HCIUSB)		+= hci_usb.o
 obj-$(CONFIG_BT_HCIVHCI)	+= hci_vhci.o
 obj-$(CONFIG_BT_HCIUART)	+= hci_uart.o
 obj-$(CONFIG_BT_HCIBCM203X)	+= bcm203x.o