pseries: Remove old debug leftovers from spapr_vscsi

The PAPR VSCSI emulation contains a few lines of code which were once used
for debug but now do nothing at all.  This patch removes them.
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/spapr_vscsi.c

@@ -99,10 +99,6 @@ typedef struct {
     vscsi_req reqs[VSCSI_REQ_LIMIT];
 } VSCSIState;
 
-/* XXX Debug only */
-static VSCSIState *dbg_vscsi_state;
-
-
 static struct vscsi_req *vscsi_get_req(VSCSIState *s)
 {
     vscsi_req *req;
@@ -902,8 +898,6 @@ static int spapr_vscsi_init(VIOsPAPRDevice *dev)
     VSCSIState *s = DO_UPCAST(VSCSIState, vdev, dev);
     int i;
 
-    dbg_vscsi_state = s;
-
     /* Initialize qemu request tags */
     memset(s->reqs, 0, sizeof(s->reqs));
     for (i = 0; i < VSCSI_REQ_LIMIT; i++) {