RFR: 8334287: Man page update for jstatd deprecation

[Kevin Walls]

Man page update for JDK-8327793 which marked jstatd as deprecated for removal in JDK 24.

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Commit messages:
 - 8334287: Man page update for jstatd deprecation

Changes: https://git.openjdk.org/jdk/pull/19829/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19829&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334287
  Stats: 4 lines in 1 file changed: 3 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/19829.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19829/head:pull/19829

PR: https://git.openjdk.org/jdk/pull/19829