[code-reflection] Integrated: Revert change

[Paul Sandoz]

Revert as we no longer need to explicitly copy.

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Commit messages:
 - Revert

Changes: https://git.openjdk.org/babylon/pull/295/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=295&range=00
  Stats: 10 lines in 1 file changed: 0 ins; 8 del; 2 mod
  Patch: https://git.openjdk.org/babylon/pull/295.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/295/head:pull/295

PR: https://git.openjdk.org/babylon/pull/295