ath9k_hw: clean up RF Bank6 handling on AR5416/AR91xx

There are two sets of initvals for this RF bank, one with TPC support and
one without.
The TPC one always gets used, so remove the other one to avoid confusion.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -852,9 +852,7 @@ struct ath_hw {
 	u32 *analogBank2Data;
 	u32 *analogBank3Data;
 	u32 *analogBank6Data;
-	u32 *analogBank6TPCData;
 	u32 *analogBank7Data;
-	u32 *bank6Temp;
 
 	int coverage_class;
 	u32 slottime;
@@ -891,7 +889,6 @@ struct ath_hw {
 	struct ar5416IniArray iniBank2;
 	struct ar5416IniArray iniBank3;
 	struct ar5416IniArray iniBank6;
-	struct ar5416IniArray iniBank6TPC;
 	struct ar5416IniArray iniBank7;
 	struct ar5416IniArray iniAddac;
 	struct ar5416IniArray iniPcieSerdes;