RFR: 8314248: Remove HotSpotConstantPool::isResolvedDynamicInvoke

[Ioi Lam]

This method is not used and its implementation is wrong. It should be removed.

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Commit messages:
 - 8314248: Remove HotSpotConstantPool::isResolvedDynamicInvoke

Changes: https://git.openjdk.org/jdk/pull/15283/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15283&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314248
  Stats: 20 lines in 1 file changed: 0 ins; 20 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15283.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15283/head:pull/15283

PR: https://git.openjdk.org/jdk/pull/15283