ath9k: Remove a few unused flags

This patch removes unused HW capability flags and
HW operation variables, and a chainmask flag that
we don't use anywhere.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index 7b1b40a..1dfc381 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -525,19 +525,18 @@
 #define SC_OP_BEACONS           BIT(1)
 #define SC_OP_RXAGGR            BIT(2)
 #define SC_OP_TXAGGR            BIT(3)
-#define SC_OP_CHAINMASK_UPDATE  BIT(4)
-#define SC_OP_FULL_RESET        BIT(5)
-#define SC_OP_PREAMBLE_SHORT    BIT(6)
-#define SC_OP_PROTECT_ENABLE    BIT(7)
-#define SC_OP_RXFLUSH           BIT(8)
-#define SC_OP_LED_ASSOCIATED    BIT(9)
-#define SC_OP_RFKILL_REGISTERED BIT(10)
-#define SC_OP_RFKILL_SW_BLOCKED BIT(11)
-#define SC_OP_RFKILL_HW_BLOCKED BIT(12)
-#define SC_OP_WAIT_FOR_BEACON   BIT(13)
-#define SC_OP_LED_ON            BIT(14)
-#define SC_OP_SCANNING          BIT(15)
-#define SC_OP_TSF_RESET         BIT(16)
+#define SC_OP_FULL_RESET        BIT(4)
+#define SC_OP_PREAMBLE_SHORT    BIT(5)
+#define SC_OP_PROTECT_ENABLE    BIT(6)
+#define SC_OP_RXFLUSH           BIT(7)
+#define SC_OP_LED_ASSOCIATED    BIT(8)
+#define SC_OP_RFKILL_REGISTERED BIT(9)
+#define SC_OP_RFKILL_SW_BLOCKED BIT(10)
+#define SC_OP_RFKILL_HW_BLOCKED BIT(11)
+#define SC_OP_WAIT_FOR_BEACON   BIT(12)
+#define SC_OP_LED_ON            BIT(13)
+#define SC_OP_SCANNING          BIT(14)
+#define SC_OP_TSF_RESET         BIT(15)
 
 struct ath_bus_ops {
 	void		(*read_cachesize)(struct ath_softc *sc, int *csz);