mt76: mt76s: get rid of unused variable

Remove unused state variable in mt76_sdio structure
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -458,8 +458,6 @@ struct mt76_sdio {
 
 	struct work_struct stat_work;
 
-	unsigned long state;
-
 	struct sdio_func *func;
 
 	struct {