RFR: 8311180: Remove unused unneeded definitions from globalDefinitions

[Coleen Phillimore]

I noticed this cleanup in a patch that Axel shared with me that I thought should be pushed on its own as trivial.
Tested with tier1 on Oracle supported platforms and looked for these on the others.

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Commit messages:
 - 8311180: Remove unused unneeded definitions from globalDefinitions

Changes: https://git.openjdk.org/jdk/pull/14737/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14737&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311180
  Stats: 21 lines in 4 files changed: 0 ins; 17 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/14737.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14737/head:pull/14737

PR: https://git.openjdk.org/jdk/pull/14737