hw/xen/xen-legacy-backend: Remove unused 'net/net.h' header

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Anthony PERARD <anthony.perard@vates.tech>
Message-Id: <20250218162618.46167-8-philmd@linaro.org>

include/hw/xen/xen-legacy-backend.h

@@ -3,7 +3,6 @@
 
 #include "hw/xen/xen_backend_ops.h"
 #include "hw/xen/xen_pvdev.h"
-#include "net/net.h"
 #include "qom/object.h"
 
 #define TYPE_XENSYSDEV "xen-sysdev"