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

[Brian Burkhalter]

Trivial removal of the use of the `SecurityManager` from a single class.

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Commit messages:
 - 8344562: Remove security manager dependency from module jdk.jdi

Changes: https://git.openjdk.org/jdk/pull/22251/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22251&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344562
  Stats: 7 lines in 1 file changed: 0 ins; 7 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22251.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22251/head:pull/22251

PR: https://git.openjdk.org/jdk/pull/22251