rtlwifi: Remove unused RTL_SUPPORTED_CTRL_FILTER define

Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rtlwifi/core.h

@@ -33,8 +33,6 @@
 	FIF_FCSFAIL | \
 	FIF_BCN_PRBRESP_PROMISC)
 
-#define RTL_SUPPORTED_CTRL_FILTER	0xFF
-
 #define DM_DIG_THRESH_HIGH		40
 #define DM_DIG_THRESH_LOW		35
 #define DM_FALSEALARM_THRESH_LOW	400