ar9170: remove deprecated code

This patch removes code (deprecated by "cfg80211: add rfkill support" )

main.c: In function 'ar9170_op_config':
main.c:1306: warning: '__IEEE80211_CONF_CHANGE_RADIO_ENABLED'
is deprecated (declared at include/net/mac80211.h:551)

and a useless device state.

Signed-off-by: Christian Lamparter <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/ath/ar9170/ar9170.h

···
 	AR9170_STOPPED,
 	AR9170_IDLE,
 	AR9170_STARTED,
-	AR9170_ASSOCIATED,
 };
 
 struct ar9170_rxstream_mpdu_merge {

drivers/net/wireless/ath/ar9170/main.c

···
 
 	mutex_lock(&ar->mutex);
 
-	if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
-		/* TODO */
-		err = 0;
-	}
-
 	if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
 		/* TODO */
 		err = 0;
···
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
-		ar->state = bss_conf->assoc ? AR9170_ASSOCIATED : ar->state;
-
 #ifndef CONFIG_AR9170_LEDS
 		/* enable assoc LED. */
 		err = ar9170_set_leds_state(ar, bss_conf->assoc ? 2 : 0);