Revert "Registered: Add key accessor"

This reverts commit 4b802b7.

Author: Juuxel

common/src/main/java/juuxel/adorn/lib/registry/Registered.java

@@ -1,9 +1,7 @@
 package juuxel.adorn.lib.registry;
 
-import net.minecraft.registry.RegistryKey;
-
 import java.util.function.Supplier;
 
+@FunctionalInterface
 public interface Registered<T> extends Supplier<T> {
-    RegistryKey<? super T> key();
 }

common/src/main/java/juuxel/adorn/lib/registry/RegisteredMap.java

@@ -10,7 +10,7 @@
 import java.util.function.Supplier;
 import java.util.stream.Stream;
 
-public final class RegisteredMap<K, V> implements Supplier<Map<K, V>> {
+public final class RegisteredMap<K, V> implements Registered<Map<K, V>> {
     private final Map<K, Registered<? extends V>> map;
     private final Supplier<Map<K, V>> builtMap;
 

fabric/src/main/java/juuxel/adorn/platform/fabric/RegistrarImpl.java

@@ -4,7 +4,6 @@
 import juuxel.adorn.lib.registry.Registered;
 import juuxel.adorn.lib.registry.Registrar;
 import net.minecraft.registry.Registry;
-import net.minecraft.registry.RegistryKey;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -21,20 +20,9 @@ public RegistrarImpl(Registry<T> registry) {
 
     @Override
     public <U extends T> Registered<U> register(String id, Supplier<? extends U> provider) {
-        var key = RegistryKey.of(registry.getKey(), AdornCommon.id(id));
-        var registered = Registry.register(registry, key, provider.get());
+        var registered = Registry.register(registry, AdornCommon.id(id), provider.get());
         objects.add(registered);
-        return new Registered<>() {
-            @Override
-            public U get() {
-                return registered;
-            }
-
-            @Override
-            public RegistryKey<? super U> key() {
-                return key;
-            }
-        };
+        return () -> registered;
     }
 
     @Override

forge/src/main/java/juuxel/adorn/platform/forge/registrar/DeferredRegistrar.java

@@ -6,7 +6,6 @@
 import net.minecraft.registry.Registry;
 import net.minecraft.registry.RegistryKey;
 import net.neoforged.bus.api.IEventBus;
-import net.neoforged.neoforge.common.extensions.IHolderExtension;
 import net.neoforged.neoforge.registries.DeferredHolder;
 import net.neoforged.neoforge.registries.DeferredRegister;
 
@@ -32,17 +31,7 @@ public void hook(IEventBus modBus) {
     public <U extends T> Registered<U> register(String id, Supplier<? extends U> provider) {
         var registryObject = register.register(id, provider);
         objects.add(registryObject);
-        return new Registered<>() {
-            @Override
-            public RegistryKey<? super U> key() {
-                return ((IHolderExtension<T>) registryObject).getKey();
-            }
-
-            @Override
-            public U get() {
-                return registryObject.get();
-            }
-        };
+        return registryObject::get;
     }
 
     @Override