qemu: driver: Don't pull in qemu_monitor_json.h directly

There's nothing that uses it directly now. Also not allowing direct use
will promote our layering.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>

src/qemu/qemu_driver.c

@@ -47,7 +47,6 @@
 #include "qemu_hostdev.h"
 #include "qemu_hotplug.h"
 #include "qemu_monitor.h"
-#include "qemu_monitor_json.h"
 #include "qemu_process.h"
 #include "qemu_migration.h"
 #include "qemu_migration_params.h"