luci-app-passwall2: sync upstream

last commit: 2e9ff90d24

luci-app-passwall2/root/usr/share/passwall2/app.sh

@@ -209,11 +209,7 @@ check_depends() {
 
 get_new_port() {
 	port=$1
-	[ "$port" == "auto" ] && {
-		port=2082
-		local GET_NEW_PORT=$(get_cache_var "get_new_port")
-		[ -n "${GET_NEW_PORT}" ] && port=${GET_NEW_PORT}
-	}
+	[ "$port" == "auto" ] && port=2082
 	protocol=$(echo $2 | tr 'A-Z' 'a-z')
 	result=$(check_port_exists $port $protocol)
 	if [ "$result" != 0 ]; then
@@ -225,7 +221,6 @@ get_new_port() {
 		fi
 		get_new_port $temp $protocol
 	else
-		set_cache_var "get_new_port" "$port"
 		echo $port
 	fi
 }