Staging: usbip: cleanup kerneldoc

No argument named @regs in stub_complete(), remove it.

Signed-off-by: Qinghuang Feng <[e-mail]>
Cc: Randy Dunlap <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/usbip/stub_tx.c

···
 /**
  * stub_complete - completion handler of a usbip urb
  * @urb: pointer to the urb completed
- * @regs:
  *
  * When a urb has completed, the USB core driver calls this function mostly in
  * the interrupt context. To return the result of a urb, the completed urb is