hw/audio: remove global pcspk

It is no longer used since commit 6033b9ecd4 ("pc: remove -soundhw pcspk")

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20251021090317.425409-4-marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
1 file changed