Relax BeanRegistrar checks on bean definition attributes

This commit allows legit usage of AutoProxyUtils bean definition
attributes with BeanRegistrar.

Closes spring-projectsgh-35645

Author: sdeleuze

spring-context/src/main/java/org/springframework/context/annotation/ConfigurationClassPostProcessor.java

@@ -928,13 +928,6 @@ private void checkUnsupportedFeatures(AbstractBeanDefinition beanDefinition) {
 			if (!beanDefinition.getQualifiers().isEmpty()) {
 				throw new UnsupportedOperationException("AOT post processing of qualifiers is not supported yet with BeanRegistrar");
 			}
-			for (String attributeName : beanDefinition.attributeNames()) {
-				if (!attributeName.equals(AbstractBeanDefinition.ORDER_ATTRIBUTE) &&
-						!attributeName.equals("aotProcessingIgnoreRegistration")) {
-					throw new UnsupportedOperationException("AOT post processing of attribute " + attributeName +
-							" is not supported yet with BeanRegistrar");
-				}
-			}
 		}
 
 		private CodeBlock generateCustomizerMap() {