ath9k_hw: remove spur related unused defines

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 2ef9d24..4e3b73b 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -292,8 +292,6 @@
 	int serialize_regmode;
 	bool rx_intr_mitigation;
 	bool tx_intr_mitigation;
-#define AR_SPUR_5413_1      	1640
-#define AR_SPUR_5413_2      	1200
 #define AR_NO_SPUR      	0x8000
 #define AR_BASE_FREQ_2GHZ   	2300
 #define AR_BASE_FREQ_5GHZ   	4900