[code-reflection] Integrated: Cleanup of HAT Cuda codegen

[Gary Frost]

Some cosmetic cleanup of cuda code gen

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Commit messages:
 - Cleanup of HAT Cuda codegen

Changes: https://git.openjdk.org/babylon/pull/776/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=776&range=00
  Stats: 191 lines in 2 files changed: 114 ins; 55 del; 22 mod
  Patch: https://git.openjdk.org/babylon/pull/776.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/776/head:pull/776

PR: https://git.openjdk.org/babylon/pull/776