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- removed outdated token store format (example: BIRD.W.BIRD.CREATURE.1.1.full.jpg)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 - removed outdated auto-generated thumb files (also all *.thumb.zip files will be deleted on startup);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/PermanentToken.java

@@ -87,7 +87,6 @@ public class PermanentToken extends PermanentImpl {
         this.supertype.clear();
         this.supertype.addAll(token.getSuperType());
         this.subtype.copyFrom(token.getSubtype(game));
-        this.tokenDescriptor = token.getTokenDescriptor();
         this.startingLoyalty = token.getStartingLoyalty();
         // workaround for entersTheBattlefield replacement effects
         if (this.abilities.containsClass(ChangelingAbility.class)) {