[lworld] RFR: 8255250: [lworld] Backout patch adding jdk.internal.ValueBased

[Roger Riggs]

Backout the change that added jdk.internal.ValueBased that should have been pushed to the jep390 branch.

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Commit messages:
 - 8255250: [lworld] Backout patch adding jdk.internal.ValueBased

Changes: https://git.openjdk.java.net/valhalla/pull/236/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=236&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255250
  Stats: 80 lines in 37 files changed: 1 ins; 78 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/236.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/236/head:pull/236

PR: https://git.openjdk.java.net/valhalla/pull/236