This was added in #9475 to fix LibreSSL compatibility for BIP70, so is no longer required.
as per doc/release-process.md. Note: On branch-off, these same changes should be made on the release branch, with also these additional changes to both files: - set `CLIENT_VERSION_REVISION` to `0` - set `CLIENT_VERSION_IS_RELEASE` to `true`
Follow-up to 48ed65b.
48ed65b