Remove useless code

Conflicts:
	weld-spi/src/main/java/org/jboss/weld/bootstrap/api/helpers/RegistrySingletonProvider.java

weld-spi/src/main/java/org/jboss/weld/bootstrap/api/helpers/RegistrySingletonProvider.java

@@ -15,19 +15,13 @@ public class RegistrySingletonProvider extends SingletonProvider {
 
     @Override
     public <T> Singleton<T> create(Class<? extends T> type) {
-        return new RegistrySingleton<T>(type);
+        return new RegistrySingleton<T>();
     }
 
     private static class RegistrySingleton<T> implements Singleton<T> {
         // use Hashtable for concurrent access
         private final Map<String, T> store = new Hashtable<String, T>();
 
-        private final Class<? extends T> clazz;
-
-        public RegistrySingleton(Class<? extends T> clazz) {
-            this.clazz = clazz;
-        }
-
         public T get(String id) {
             T instance = store.get(id);
             if (instance == null) {