RFR: 8294486: Remove vmTestbase/nsk/jvmti/ tests ported to serviceability/jvmti.

[Leonid Mesnik]

The fix removes nsk/jvmti/  tests ported to serviceability/jvmti and forward-ports corresponding fixed. The suspend/resume tests require more work covered by https://bugs.openjdk.org/browse/JDK-8295169.

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Commit messages:
 - fix

Changes: https://git.openjdk.org/jdk/pull/10665/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10665&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294486
  Stats: 22719 lines in 219 files changed: 50 ins; 22652 del; 17 mod
  Patch: https://git.openjdk.org/jdk/pull/10665.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10665/head:pull/10665

PR: https://git.openjdk.org/jdk/pull/10665