staging: r8188eu: remove GET_RF_TYPE macro

This macro does not used.
Signed-off-by: Ivan Safonov <insafonov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtl8188e_hal.h

@@ -353,7 +353,6 @@ struct hal_data_8188e {
 
 #define GET_HAL_DATA(__pAdapter)				\
 	((struct hal_data_8188e *)((__pAdapter)->HalData))
-#define GET_RF_TYPE(priv)		(GET_HAL_DATA(priv)->rf_type)
 
 /*  rtl8188e_hal_init.c */
 void _8051Reset88E(struct adapter *padapter);