[jdk17u-dev] RFR: 8281543: Remove unused code/headerfile dtraceAttacher.hpp

[Matthias Baesken]

8281543: Remove unused code/headerfile dtraceAttacher.hpp

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Commit messages:
 - Backport bc43320fd32debf863f37dc00ef7b95589f576ed

Changes: https://git.openjdk.org/jdk17u-dev/pull/2168/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2168&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8281543
  Stats: 58 lines in 5 files changed: 0 ins; 55 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2168.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2168/head:pull/2168

PR: https://git.openjdk.org/jdk17u-dev/pull/2168