Simplify Palette creation

Signed-off-by: Gabriel Harris-Rouquette <[email protected]>

Author: gabizou

src/main/java/org/spongepowered/api/world/schematic/PaletteType.java

@@ -42,7 +42,11 @@ static <E, ER> Builder<E, ER> builder() {
         return Sponge.game().builderProvider().provide(Builder.class);
     }
 
-    Palette<T, R> create(RegistryHolder holder, RegistryType<R> registryType);
+    default Palette<T, R> create(RegistryHolder holder, RegistryType<R> registryType) {
+        return this.create(holder.registry(registryType));
+    }
+
+    Palette<T, R> create(Registry<R> registry);
 
     BiFunction<String, Registry<R>, Optional<T>> resolver();