RFR: 8328612: AdaptiveSizePolicySpaceOverheadTester::is_exceeded() print max_eden_size twice

[Zhengyu Gu]

A trivial cleanup.

-------------

Commit messages:
 - 8328612: AdaptiveSizePolicySpaceOverheadTester::is_exceeded() print max_eden_size twice

Changes: https://git.openjdk.org/jdk/pull/18453/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18453&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328612
  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/18453.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18453/head:pull/18453

PR: https://git.openjdk.org/jdk/pull/18453