RFR: 8278597: Remove outdated comments regarding RMISecurityManager in HotSpotAgent.java

[Roger Riggs]

On Wed, 12 Jan 2022 15:04:04 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

> The HotSpotAgent.java setupDebugger method has a commmented out section relating to possibly using RMISecurityManager.
> The comment is from pre-jdk7.  As RMISecurityManager has been deprecated for a while the comments should be removed.
> 
> This is a comment-only change, no impact on what we build, so seems trivial.
> 
> This is slightly more relevant today as with JEP411 and plans to remove the Security Mananger, it is natural to search the source for references to Security Manager.  Removing a false-positive from those results is a good thing.

LGTM

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Marked as reviewed by rriggs (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7050