[code-reflection] Integrated: removed unnecessary methods

[Gary Frost]

Removed a bunch of access method that were now unused.

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Commit messages:
 - removed unnecessary methods

Changes: https://git.openjdk.org/babylon/pull/700/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=700&range=00
  Stats: 81 lines in 2 files changed: 5 ins; 55 del; 21 mod
  Patch: https://git.openjdk.org/babylon/pull/700.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/700/head:pull/700

PR: https://git.openjdk.org/babylon/pull/700