Remove unused `Class/Field/Method/CodeBuilder.original()`, and make `Field/Method/CodeModel.parent()` return present only if it's bound (i.e. not buffered transformed). See the CSR for details.
------------- Commit messages: - 8335938: Review XxxBuilder.original and XxxModel.parent Changes: https://git.openjdk.org/jdk/pull/20177/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20177&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8335938 Stats: 92 lines in 12 files changed: 0 ins; 80 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/20177.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20177/head:pull/20177 PR: https://git.openjdk.org/jdk/pull/20177
