staging: vt6655: drop off byRxMode var in device.h

Drop off unused variable byRxMode in device.h

Signed-off-by: Tommaso Merciai <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/vt6655/device.h

···
 	u32                         memaddr;
 	u32                         ioaddr;
 
-	unsigned char byRxMode;
-
 	spinlock_t                  lock;
 
 	volatile int                iTDUsed[TYPE_MAXTD];