[code-reflection] RFR: InnerClassLambdaMetafactory fix of hidden classes handling [v5]

[Adam Sotona]

> FYI: I'm going to fill a bug and propose similar fix to JDK main

Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:

  removed obsolete code

-------------

Changes:
  - all: https://git.openjdk.org/babylon/pull/52/files
  - new: https://git.openjdk.org/babylon/pull/52/files/701b09ab..0083ddfd

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=52&range=04
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=52&range=03-04

  Stats: 16 lines in 1 file changed: 0 ins; 16 del; 0 mod
  Patch: https://git.openjdk.org/babylon/pull/52.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/52/head:pull/52

PR: https://git.openjdk.org/babylon/pull/52