feat: fake block models

- Instead of registering a block for the jukebox top, we can now render models without a block being registered at all
- This opens up a lot of interesting new visuals in the near future :)

common/src/main/java/eu/midnightdust/visualoverhaul/VisualOverhaulClient.java

@@ -1,7 +1,6 @@
 package eu.midnightdust.visualoverhaul;
 
 import eu.midnightdust.visualoverhaul.config.VOConfig;
-import net.minecraft.block.Block;
 
 import static eu.midnightdust.visualoverhaul.VisualOverhaulCommon.MOD_ID;
 
@@ -11,8 +10,6 @@ public class VisualOverhaulClient {
     public static int grassColor = -8934609;
     public static int potionColor = -13083194;
 
-    public static Block JukeBoxTop;
-
     public static void onInitializeClient() {
         VOConfig.init(MOD_ID, VOConfig.class);
     }