refactor: Flattened magic crystal item and spectral dust registries

src/main/java/electroblob/wizardry/item/ItemCrystal.java

@@ -11,34 +11,12 @@ import net.minecraft.util.ResourceLocation;
 
 /** Note that in 1.13, <i>the flattening</i> will make this class redundant, much like ItemCoal, which is probably its
  * closest analog in vanilla. */
-public class ItemCrystal extends Item implements IMultiTexturedItem {
+public class ItemCrystal extends Item {
 
 	public ItemCrystal(){
 		super();
-	    this.setHasSubtypes(true);
         this.setMaxDamage(0);
         this.setCreativeTab(WizardryTabs.WIZARDRY);
     }
 
-	@Override
-	public ResourceLocation getModelName(ItemStack stack){
-		int metadata = stack.getMetadata();
-		if(metadata >= Element.values().length) metadata = 0;
-		return new ResourceLocation(Wizardry.MODID, "crystal_" + Element.values()[metadata].getName());
-	}
-
-	@Override
-    public String getTranslationKey(ItemStack stack){
-		return "item." + this.getModelName(stack).toString();
-    }
-
-    @Override
-    public void getSubItems(CreativeTabs tab, NonNullList<ItemStack> items){
-        if(tab == WizardryTabs.WIZARDRY){
-        	for(Element element : Element.values()){
-        		items.add(new ItemStack(this, 1, element.ordinal()));
-        	}
-        }
-    }
-
 }