Bluetooth: hci_uart: Remove unused h4->rx_state and h4->rx_count field

The fields h4->rx_state and h4->rx_count are not used at all and with
that they can be just removed.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

drivers/bluetooth/hci_h4.c

@@ -49,8 +49,6 @@
 #define VERSION "1.2"
 
 struct h4_struct {
-	unsigned long rx_state;
-	unsigned long rx_count;
 	struct sk_buff_head txq;
 };