RFR: 8353847: Remove extra args to System.out.printf in open/test/jsk/java/net/httpclient tests

[serhiysachkov]

Remove extra args to System.out.printf in open/test/jsk/java/net/httpclient tests

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Commit messages:
 - 8353847: Remove extra args to System.out.printf in open/test/jsk/java/net/httpclient tests

Changes: https://git.openjdk.org/jdk/pull/24507/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24507&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353847
  Stats: 10 lines in 3 files changed: 0 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/24507.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24507/head:pull/24507

PR: https://git.openjdk.org/jdk/pull/24507