[jdk17u-dev] RFR: 8300265: Remove metaprogramming/isSigned.hpp [v2]

[George Adams]

> Prerequisite to bumping gtest, applies cleanly

George Adams has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge remote-tracking branch 'upstream/pr/2692' into isSigned
 - Backport 03a9a88efbb68537e24b7de28c5b81d6cd8fdb04

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2693/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2693/files/e53523da..8032d036

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2693&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2693&range=00-01

  Stats: 11 lines in 1 file changed: 2 ins; 0 del; 9 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2693.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2693/head:pull/2693

PR: https://git.openjdk.org/jdk17u-dev/pull/2693