With the security manager obsolescence, can DCmd::permission() be removed?

  // The permission() method returns the description of Java Permission. This
  // permission is required when the diagnostic command is invoked via the
  // DiagnosticCommandMBean. The rationale for this permission check is that
  // the DiagnosticCommandMBean can be used to perform remote invocations of
  // diagnostic commands through the PlatformMBeanServer. The (optional) Java
  // Permission associated with each diagnostic command should ease the work
  // of system administrators to write policy files granting permissions to
  // execute diagnostic commands to remote users. Any diagnostic command with
  // a potential impact on security should overwrite this method.
  static const JavaPermission permission() {
    JavaPermission p = {nullptr, nullptr, nullptr};
    return p;
  }