Align EntityType DefaultedRegistryValue constraint

Author: aromaa

src/main/java/org/spongepowered/api/entity/EntityType.java

@@ -34,7 +34,7 @@
  * Describes a type of entity.
  */
 @CatalogedBy(EntityTypes.class)
-public interface EntityType<A extends Entity> extends DefaultedRegistryValue<EntityType<? extends Entity>>, ComponentLike, Taggable<EntityType<? extends Entity>> {
+public interface EntityType<A extends Entity> extends DefaultedRegistryValue<EntityType<?>>, ComponentLike, Taggable<EntityType<?>> {
 
     /**
      * If true {@link Entity entities} of this type will not be saved to disk.