USB: microtek: remove unused semaphore

No current references, so removing it.

Signed-off-by: Daniel Walker <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/image/microtek.c

···
 
 	new_desc->usb_dev = dev;
 	new_desc->usb_intf = intf;
-	init_MUTEX(&new_desc->lock);
 
 	/* endpoints */
 	new_desc->ep_out = ep_out;

drivers/usb/image/microtek.h

···
 	u8 ep_image;
 
 	struct Scsi_Host * host;
-	struct semaphore lock;
 
 	struct urb *urb;
 	struct mts_transfer_context context;