mt76: mt7603: enable hardware rate up/down selection

Improves performance by switching away from bad rates faster
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7603/init.c

@@ -248,8 +248,7 @@ mt7603_mac_init(struct mt7603_dev *dev)
 		FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));
 
 	mt76_wr(dev, MT_AGG_ARCR,
-		(MT_AGG_ARCR_INIT_RATE1 |
-		 FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
+		(FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
 		 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
 		 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
 		 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));