Refactor cards and token images code (#10139):

- removed outdated token store format (example: BIRD.W.BIRD.CREATURE.1.1.full.jpg)
 - removed duplicated cache images code;
 - removed duplicated set code fields;
 - removed outdated auto-generated thumb files (also all *.thumb.zip files will be deleted on startup);

Mage/src/main/java/mage/game/permanent/token/Token.java

@@ -17,8 +17,6 @@ public interface Token extends MageObject {
     @Override
     Token copy();
 
-    String getTokenDescriptor();
-
     String getDescription();
 
     List<UUID> getLastAddedTokenIds();