iwlwifi: remove duplicated define

Remove duplicated define "STA_FLG_PWR_SAVE_MSK"
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-commands.h

@@ -886,7 +886,6 @@ struct iwl_qosparam_cmd {
 
 #define STA_FLG_TX_RATE_MSK		cpu_to_le32(1 << 2);
 #define STA_FLG_PWR_SAVE_MSK		cpu_to_le32(1 << 8);
-#define STA_FLG_PWR_SAVE_MSK		cpu_to_le32(1 << 8);
 #define STA_FLG_RTS_MIMO_PROT_MSK	cpu_to_le32(1 << 17)
 #define STA_FLG_AGG_MPDU_8US_MSK	cpu_to_le32(1 << 18)
 #define STA_FLG_MAX_AGG_SIZE_POS	(19)