net: wimax: Remove of unused 'rfkill_input' pointer

Seems like this was not cleaned during the 'rfkill: rewrite' checkin
19d337df.
Signed-off-by: Vitaliy Ivanov <vitalivanov@gmail.com>
Acked-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/wimax.h

@@ -423,7 +423,6 @@ struct wimax_dev {
 	int (*op_reset)(struct wimax_dev *wimax_dev);
 
 	struct rfkill *rfkill;
-	struct input_dev *rfkill_input;
 	unsigned rf_hw;
 	unsigned rf_sw;
 	char name[32];