When [JEP 486: Permanently Disable the Security Manager|https://openjdk.org/jeps/486] has been integrated, the use of the Security Manager can be removed for the modules jdk.jfr and jdk.management.jfr.

This will improve startup speed, reduce the maintenance cost and simplify implementation of new features. This is a non-trivial change and involves refactoring away numerous helper classes (SafePath, WriteableUserPath, SecureListener, Privileged, Unprivileged, FileAcess etc.), changes to the JVM and revisit architectural decisions when it comes to bytecode generation, t