wifi-scripts: only manage wdev interfaces recorded in the statefile

wdev.uc adopted every operstate-down netdev on the phy and then removed any
not in its new config. hostapd BSS netdevs are legitimately operstate-down
while stopped (co-located STA down, or start_disabled), so a reload deleted
them and hostapd, seeing an unchanged config, never recreated them. Drop the
adopt-existing step; the statefile already tracks the interfaces wdev.uc
owns.

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/network/config/wifi-scripts/files/usr/share/hostap/wdev.uc

@@ -90,17 +90,6 @@ function delete_ifname(config)
 		delete config[key].ifname;
 }
 
-function add_existing(phydev, config)
-{
-	phydev.for_each_wdev((wdev) => {
-		if (config[wdev])
-			return;
-
-		if (trim(readfile(`/sys/class/net/${wdev}/operstate`)) == "down")
-			config[wdev] = {};
-	});
-}
-
 function usage()
 {
 	warn(`Usage: ${basename(sourcepath())} <phy> <command> [<arguments>]
@@ -137,7 +126,6 @@ const commands = {
 		if (type(old_config) == "object")
 			config.data = old_config;
 
-		add_existing(phydev, config.data);
 		add_ifname(config.data);
 		drop_inactive(config.data);