[lworld] Integrated: 8271141: [lworld] Remove unused jvaluetype q member in jvalue

[Frederic Parain]

Simple cleanup in jvalue.

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Commit messages:
 - Removed unused member in jvalue

Changes: https://git.openjdk.java.net/valhalla/pull/493/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=493&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8271141
  Stats: 5 lines in 1 file changed: 0 ins; 5 del; 0 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/493.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/493/head:pull/493

PR: https://git.openjdk.java.net/valhalla/pull/493