staging: vt6656: dpc.h remove dead function prototypes

Removing
RXvWorkItem
RXvFreeRCB

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/dpc.h

@@ -32,10 +32,6 @@
 #include "device.h"
 #include "wcmd.h"
 
-void RXvWorkItem(struct work_struct *work);
-
-void RXvFreeRCB(struct vnt_rcb *pRCB, int bReAllocSkb);
-
 int vnt_rx_data(struct vnt_private *, struct vnt_rcb *,
 	unsigned long bytes_recieved);