Remove trailing newlines before the end of class definitions

src/MDPlacetypesSet.php

@@ -34,5 +34,4 @@ public static function getSortedList(MDTlLoader $tlLoader):array {
         return parent::getTlSortedList($tlLoader, self::PLACE_TYPE_IDS, "placetypes", "tlPlacetypes");
 
     }
-
 }