RFR: 8355573: Remove kludge_c++11.h from jpackage code

[Julian Waters]

On Fri, 25 Apr 2025 06:14:36 GMT, Julian Waters <jwaters at openjdk.org> wrote:

> kludge_c++11.h was introduced to work around older C++ versions not having access to C++ utilities like std::unique_ptr. Since we are already on C++14 (And hopefully will get C++17 soon) this workaround can be removed from jpackage code.

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PR Comment: https://git.openjdk.org/jdk/pull/24868#issuecomment-2850392890