USB: hub: Remove returned value 'status' since never used

The returned value in status has never been used since
commit 4296c70a ("USB/xHCI: Enable USB 3.0 hub remote wakeup.")
So remove 'status' completely.

Remove warning (W=1):

  drivers/usb/core/hub.c:3671:8: warning: variable 'status' set but not used [-Wunused-but-set-variable]
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/core/hub.c

@@ -3668,7 +3668,6 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
 	struct usb_hub		*hub = usb_get_intfdata(intf);
 	struct usb_device	*hdev = hub->hdev;
 	unsigned		port1;
-	int			status;
 
 	/*
 	 * Warn if children aren't already suspended.
@@ -3702,7 +3701,7 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
 	if (hub_is_superspeed(hdev) && hdev->do_remote_wakeup) {
 		/* Enable hub to send remote wakeup for all ports. */
 		for (port1 = 1; port1 <= hdev->maxchild; port1++) {
-			status = set_port_feature(hdev,
+			set_port_feature(hdev,
 					 port1 |
 					 USB_PORT_FEAT_REMOTE_WAKE_CONNECT |
 					 USB_PORT_FEAT_REMOTE_WAKE_DISCONNECT |