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- removed outdated token store format (example: BIRD.W.BIRD.CREATURE.1.1.full.jpg)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 - removed outdated auto-generated thumb files (also all *.thumb.zip files will be deleted on startup);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

@@ -697,16 +697,6 @@ public class Spell extends StackObjectImpl implements Card {
         return card.getExpansionSetCode();
     }
 
-    @Override
-    public String getTokenSetCode() {
-        return card.getTokenSetCode();
-    }
-
-    @Override
-    public String getTokenDescriptor() {
-        return card.getTokenDescriptor();
-    }
-
     @Override
     public void setFaceDown(boolean value, Game game) {
         faceDown = value;