ath9k: ar5008_initvals: Remove unused table entirely

Fixes the following W=1 kernel build warning(s):

 drivers/net/wireless/ath/ath9k/ar5008_initvals.h:553:18: warning: ‘ar5416Bank6’ defined but not used [-Wunused-const-variable=]

Cc: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200826093401.1458456-26-lee.jones@linaro.org

drivers/net/wireless/ath/ath9k/ar5008_initvals.h

@@ -550,43 +550,6 @@ static const u32 ar5416Bank3[][3] = {
 	{0x000098f0, 0x01400018, 0x01c00018},
 };
 
-static const u32 ar5416Bank6[][3] = {
-	/* Addr      5G          2G        */
-	{0x0000989c, 0x00000000, 0x00000000},
-	{0x0000989c, 0x00000000, 0x00000000},
-	{0x0000989c, 0x00000000, 0x00000000},
-	{0x0000989c, 0x00e00000, 0x00e00000},
-	{0x0000989c, 0x005e0000, 0x005e0000},
-	{0x0000989c, 0x00120000, 0x00120000},
-	{0x0000989c, 0x00620000, 0x00620000},
-	{0x0000989c, 0x00020000, 0x00020000},
-	{0x0000989c, 0x00ff0000, 0x00ff0000},
-	{0x0000989c, 0x00ff0000, 0x00ff0000},
-	{0x0000989c, 0x00ff0000, 0x00ff0000},
-	{0x0000989c, 0x40ff0000, 0x40ff0000},
-	{0x0000989c, 0x005f0000, 0x005f0000},
-	{0x0000989c, 0x00870000, 0x00870000},
-	{0x0000989c, 0x00f90000, 0x00f90000},
-	{0x0000989c, 0x007b0000, 0x007b0000},
-	{0x0000989c, 0x00ff0000, 0x00ff0000},
-	{0x0000989c, 0x00f50000, 0x00f50000},
-	{0x0000989c, 0x00dc0000, 0x00dc0000},
-	{0x0000989c, 0x00110000, 0x00110000},
-	{0x0000989c, 0x006100a8, 0x006100a8},
-	{0x0000989c, 0x004210a2, 0x004210a2},
-	{0x0000989c, 0x0014008f, 0x0014008f},
-	{0x0000989c, 0x00c40003, 0x00c40003},
-	{0x0000989c, 0x003000f2, 0x003000f2},
-	{0x0000989c, 0x00440016, 0x00440016},
-	{0x0000989c, 0x00410040, 0x00410040},
-	{0x0000989c, 0x0001805e, 0x0001805e},
-	{0x0000989c, 0x0000c0ab, 0x0000c0ab},
-	{0x0000989c, 0x000000f1, 0x000000f1},
-	{0x0000989c, 0x00002081, 0x00002081},
-	{0x0000989c, 0x000000d4, 0x000000d4},
-	{0x000098d0, 0x0000000f, 0x0010000f},
-};
-
 static const u32 ar5416Bank6TPC[][3] = {
 	/* Addr      5G          2G        */
 	{0x0000989c, 0x00000000, 0x00000000},