Revert "mac80211: HE STA disassoc due to QOS NULL not sent"

This reverts commit f39b07fd ("mac80211: HE STA disassoc
due to QOS NULL not sent")

Since iwlwifi specific workaround, which blocks to send NDP,
is removed, we can revert this commit.
Signed-off-by: NPing-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20210623134826.10318-2-pkshih@realtek.comSigned-off-by: NJohannes Berg <johannes.berg@intel.com>

net/mac80211/mlme.c

@@ -2541,9 +2541,6 @@ static void ieee80211_mgd_probe_ap_send(struct ieee80211_sub_if_data *sdata)
 
 	if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
 		ifmgd->nullfunc_failed = false;
-		if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
-			ifmgd->probe_send_count--;
-		else
 		ieee80211_send_nullfunc(sdata->local, sdata, false);
 	} else {
 		int ssid_len;