git: openjdk/jdk-sandbox: jep486: Revert changes to JMXAuthenticator and JMXConnectorFactory as these methods

[duke]

Changeset: 23a43e0d
Branch: jep486
Author:    Sean Mullan <sean.mullan at oracle.com>
Date:      2024-10-16 15:03:25 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/23a43e0d90aff8754909785f582ba0666046cf6c

Revert changes to JMXAuthenticator and JMXConnectorFactory as these methods
throw SecurityExceptions for non Security Manager reasons.

! src/java.management/share/classes/javax/management/remote/JMXAuthenticator.java
! src/java.management/share/classes/javax/management/remote/JMXConnectorFactory.java