Remove SpringProxyRuntimeHintsRegistrar

A dynamic mechanism to register proxy and reflection
hints for classes annotated by @transactional is needed
instead.

See gh-28717

Author: sdeleuze

spring-aop/src/main/java/org/springframework/aop/SpringProxyRuntimeHintsRegistrar.java

@@ -1,4 +1,2 @@
 org.springframework.beans.factory.aot.BeanRegistrationAotProcessor=\
 org.springframework.aop.scope.ScopedProxyBeanRegistrationAotProcessor
-org.springframework.aot.hint.RuntimeHintsRegistrar=\
-org.springframework.aop.SpringProxyRuntimeHintsRegistrar