RFR: 8297106: Remove the -Xcheck:jni local reference capacity checking

[David Holmes]

This PR removes the "fake" planned capacity checking mechanism. Please see the JBS issue for the detailed discussion. 

Testing: tiers 1-3

Thanks.

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Commit messages:
 - Forgot to commit removed test.
 - 8297106: Remove the -Xcheck:jni local reference capacity checking

Changes: https://git.openjdk.org/jdk/pull/11259/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11259&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297106
  Stats: 151 lines in 5 files changed: 0 ins; 150 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11259.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11259/head:pull/11259

PR: https://git.openjdk.org/jdk/pull/11259