Remove methods for constructor in ReflectionHelper.

Assets/Cryville/Common/BinderAttribute.cs

@@ -13,7 +13,7 @@ namespace Cryville.Common {
 		public static Binder CreateBinderOfType(Type type) {
 			var l = type.GetCustomAttributes(typeof(BinderAttribute), true);
 			if (l.Length > 0) {
-				return (Binder)ReflectionHelper.InvokeEmptyConstructor(
+				return (Binder)Activator.CreateInstance(
 					((BinderAttribute)l[0]).BinderType
 				);
 			}