According to the suggestions of @cl4es and @naotoj, Cstyle is no longer used in GenerateCharacter, so remove the Cstyle related code.
------------- Commit messages: - remove `Csyntax` Changes: https://git.openjdk.org/jdk/pull/25480/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25480&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8359068 Stats: 38 lines in 1 file changed: 0 ins; 14 del; 24 mod Patch: https://git.openjdk.org/jdk/pull/25480.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25480/head:pull/25480 PR: https://git.openjdk.org/jdk/pull/25480
