RFR: 8312232: Remove sun.jvm.hotspot.runtime.VM.buildLongFromIntsPD() [v2]

[Chris Plummer]

> VM.buildLongFromIntsPD() is not longer used. Remove it.

Chris Plummer has updated the pull request incrementally with two additional commits since the last revision:

 - update copyright
 - Remove debugging code

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/15371/files
  - new: https://git.openjdk.org/jdk/pull/15371/files/9586f709..fc3cd20e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15371&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15371&range=00-01

  Stats: 8 lines in 2 files changed: 0 ins; 3 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/15371.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15371/head:pull/15371

PR: https://git.openjdk.org/jdk/pull/15371