gdbstub: remove unused user_ctx field

This was always NULL so drop it.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230829161528.2707696-10-alex.bennee@linaro.org>
1 file changed