RFR: 8344562: Remove security manager dependency from module jdk.jdi

[Sean Mullan]

On Wed, 20 Nov 2024 06:58:36 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

>> Trivial removal of the use of the `SecurityManager` from a single class.
>
> src/jdk.jdi/share/classes/com/sun/tools/jdi/VirtualMachineManagerImpl.java line 65:
> 
>> 63:         SecurityManager sm = System.getSecurityManager();
>> 64:         if (sm != null) {
>> 65:             JDIPermission vmmPermission =
> 
> `JDIPermission` is now unused

It is a standard API, so we cannot remove it unless we go through a deprecation process, and it is ok to leave it for now. We will consider deprecating it (and other `Permission` subclasses) for removal in JDK 25.

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PR Review Comment: https://git.openjdk.org/jdk/pull/22251#discussion_r1850326305