[lworld] Integrated: 8356088: [lworld] dead methods in array code

[Frederic Parain]

Removal of dead code.

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Commit messages:
 - Remove dead methods

Changes: https://git.openjdk.org/valhalla/pull/1450/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1450&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356088
  Stats: 51 lines in 3 files changed: 0 ins; 51 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/1450.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1450/head:pull/1450

PR: https://git.openjdk.org/valhalla/pull/1450