hw/core: remove needless includes

The include list is large, make it smaller.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>

hw/core/machine.c

@@ -11,32 +11,22 @@
  */
 
 #include "qemu/osdep.h"
-#include "qemu/option.h"
 #include "qemu/accel.h"
 #include "sysemu/replay.h"
-#include "qemu/units.h"
 #include "hw/boards.h"
 #include "hw/loader.h"
 #include "qapi/error.h"
-#include "qapi/qapi-visit-common.h"
 #include "qapi/qapi-visit-machine.h"
-#include "qapi/visitor.h"
 #include "qom/object_interfaces.h"
-#include "hw/sysbus.h"
 #include "sysemu/cpus.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/reset.h"
 #include "sysemu/runstate.h"
-#include "sysemu/numa.h"
 #include "sysemu/xen.h"
-#include "qemu/error-report.h"
 #include "sysemu/qtest.h"
-#include "hw/pci/pci.h"
 #include "hw/mem/nvdimm.h"
 #include "migration/global_state.h"
-#include "migration/vmstate.h"
 #include "exec/confidential-guest-support.h"
-#include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-pci.h"
 #include "hw/virtio/virtio-net.h"