qdev: remove an unused function

qbus_reset_all is unused, remove it
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>

hw/qdev.c

@@ -328,15 +328,10 @@ void qdev_reset_all(DeviceState *dev)
     qdev_walk_children(dev, qdev_reset_one, qbus_reset_one, NULL);
 }
 
-void qbus_reset_all(BusState *bus)
-{
-    qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL);
-}
-
 void qbus_reset_all_fn(void *opaque)
 {
     BusState *bus = opaque;
-    qbus_reset_all(bus);
+    qbus_walk_children(bus, qdev_reset_one, qbus_reset_one, NULL);
 }
 
 /* can be used as ->unplug() callback for the simple cases */

hw/qdev.h

@@ -198,7 +198,6 @@ int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
 int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
                        qbus_walkerfn *busfn, void *opaque);
 void qdev_reset_all(DeviceState *dev);
-void qbus_reset_all(BusState *bus);
 void qbus_reset_all_fn(void *opaque);
 
 void qbus_free(BusState *bus);