[jdk17u-dev] RFR: 8299396: Remove metaprogramming/removeExtent.hpp

[George Adams]

prerequisite to bumping googletest to 1.13.0

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Commit messages:
 - Backport 532ccdb61a4b7dce9ad1141cef78c4f6be8d2f5a

Changes: https://git.openjdk.org/jdk17u-dev/pull/2670/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2670&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299396
  Stats: 103 lines in 3 files changed: 1 ins; 100 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2670.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2670/head:pull/2670

PR: https://git.openjdk.org/jdk17u-dev/pull/2670