Tweak place ranks

layers/place/country.sql

@@ -1,6 +1,6 @@
 CREATE OR REPLACE FUNCTION layer_country(bbox geometry, zoom_level int)
 RETURNS TABLE(osm_id bigint, geometry geometry, name text, name_en text, "rank" int) AS $$
     SELECT osm_id, geometry, name, name_en, "rank" FROM osm_country_point
-    WHERE geometry && bbox AND "rank" <= (zoom_level + 2)
+    WHERE geometry && bbox AND "rank" <= zoom_level
     ORDER BY "rank" ASC, length(name) ASC;
 $$ LANGUAGE SQL IMMUTABLE;