Fixed crash due to class loading order

src/main/java/com/minelittlepony/api/model/armour/IArmourTextureResolver.java

@@ -15,8 +15,6 @@ import com.minelittlepony.client.model.armour.DefaultArmourTextureResolver;
  * This is for modders who want to override the default implementation found in {@link DefaultArmourTextureResolver}.
  */
 public interface IArmourTextureResolver {
-    IArmourTextureResolver DEFAULT = DefaultArmourTextureResolver.INSTANCE;
-
     /**
      * Gets the armour texture to be used for the given entity, armour piece, slot, and render layer.
      */

src/main/java/com/minelittlepony/client/model/armour/PonyArmourModel.java

@@ -28,7 +28,7 @@ public class PonyArmourModel<T extends LivingEntity> extends AbstractPonyModel<T
     }
 
     public IArmourTextureResolver getArmourTextureResolver() {
-        return IArmourTextureResolver.DEFAULT;
+        return DefaultArmourTextureResolver.INSTANCE;
     }
 
     @Override