[code-reflection] Integrated: Config parsing was not capturing PLATFORM:n or DEVICE:n

[Gary Frost]

Fixed Config parser which was failing to parse PLATFORN:n and DEVICE:n

Tidied up parser and deleted dead code.

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Commit messages:
 - Config parsing was not capturing PLATFORM:n or DEVICE:n

Changes: https://git.openjdk.org/babylon/pull/749/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=749&range=00
  Stats: 73 lines in 2 files changed: 16 ins; 39 del; 18 mod
  Patch: https://git.openjdk.org/babylon/pull/749.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/749/head:pull/749

PR: https://git.openjdk.org/babylon/pull/749