RFR: 8352138: G1: Remove G1AddMetaspaceDependency.java test

[Thomas Schatzl]

Hi all,

  please review trivial removal of this test because the reason for its
existence, the `DirtyCardQ_CBL_mon` lock has been removed in JDK-8237143 long time ago.

Testing: gha

Thanks,
  Thomas

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Commit messages:
 - 8352138

Changes: https://git.openjdk.org/jdk/pull/24075/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24075&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352138
  Stats: 125 lines in 1 file changed: 0 ins; 125 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/24075.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24075/head:pull/24075

PR: https://git.openjdk.org/jdk/pull/24075