[lworld] Integrated: 8267672: [lworld] A couple of cleanups to Unified class file generation scheme

[Srikanth Adayapalam]

Minor cleanups.

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Commit messages:
 - 8267672: [lworld] A couple of minor cleanups to Unified class file generation code

Changes: https://git.openjdk.java.net/valhalla/pull/425/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=425&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267672
  Stats: 8 lines in 2 files changed: 6 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/425.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/425/head:pull/425

PR: https://git.openjdk.java.net/valhalla/pull/425