[lworld] RFR: 8266361: [lworld] [lw3] Experimental JNI APIs to access flattened arrays should be removed

[Frederic Parain]

Removing experimental JNI APIs for flattened arrays in preparation of the integration of the Valhalla code into the mainline.

Regards,

Fred

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Commit messages:
 - Remove experimental JNI APIs for flattened arrays

Changes: https://git.openjdk.java.net/valhalla/pull/398/files
 Webrev: https://webrevs.openjdk.java.net/?repo=valhalla&pr=398&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266361
  Stats: 1997 lines in 10 files changed: 0 ins; 1996 del; 1 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/398.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/398/head:pull/398

PR: https://git.openjdk.java.net/valhalla/pull/398