iwlagn: remove unused debug flag

Remove both IWL_DEBUG_TXPOWER and IWL_DEBUG_NOTIF, not used.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

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

@@ -125,12 +125,12 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
 /* 0x00000F00 - 0x00000100 */
 #define IWL_DL_POWER		(1 << 8)
 #define IWL_DL_TEMP		(1 << 9)
-#define IWL_DL_NOTIF		(1 << 10)
+/* reserved (1 << 10) */
 #define IWL_DL_SCAN		(1 << 11)
 /* 0x0000F000 - 0x00001000 */
 #define IWL_DL_ASSOC		(1 << 12)
 #define IWL_DL_DROP		(1 << 13)
-#define IWL_DL_TXPOWER		(1 << 14)
+/* reserved (1 << 14) */
 #define IWL_DL_COEX		(1 << 15)
 /* 0x000F0000 - 0x00010000 */
 #define IWL_DL_FW		(1 << 16)
@@ -172,11 +172,9 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
 #define IWL_DEBUG_DROP_LIMIT(p, f, a...)	\
 		IWL_DEBUG_LIMIT(p, IWL_DL_DROP, f, ## a)
 #define IWL_DEBUG_COEX(p, f, a...)	IWL_DEBUG(p, IWL_DL_COEX, f, ## a)
-#define IWL_DEBUG_TXPOWER(p, f, a...)	IWL_DEBUG(p, IWL_DL_TXPOWER, f, ## a)
 #define IWL_DEBUG_RATE(p, f, a...)	IWL_DEBUG(p, IWL_DL_RATE, f, ## a)
 #define IWL_DEBUG_RATE_LIMIT(p, f, a...)	\
 		IWL_DEBUG_LIMIT(p, IWL_DL_RATE, f, ## a)
-#define IWL_DEBUG_NOTIF(p, f, a...)	IWL_DEBUG(p, IWL_DL_NOTIF, f, ## a)
 #define IWL_DEBUG_ASSOC(p, f, a...)	\
 		IWL_DEBUG(p, IWL_DL_ASSOC | IWL_DL_INFO, f, ## a)
 #define IWL_DEBUG_ASSOC_LIMIT(p, f, a...)	\