RFR: 8307103: Two TestMetaspaceAllocationMT tests fail after JDK-8306696

[Jie Fu]

This is because `Settings.settings().reclaimPolicy` had been removed in JDK-8306696.
So we can just remove the prints in the tests.

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Commit messages:
 - 8307103: Two TestMetaspaceAllocationMT fail after JDK-8306696

Changes: https://git.openjdk.org/jdk/pull/13714/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13714&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8307103
  Stats: 2 lines in 2 files changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/13714.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13714/head:pull/13714

PR: https://git.openjdk.org/jdk/pull/13714