staging: unisys: visorinput: Update visorinput.c includes

Remove unnecessary channel.h include from visorinput.c.
Signed-off-by: Bryan Thompson <bryan.thompson@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorinput/visorinput.c

@@ -31,7 +31,6 @@
 
 #include "version.h"
 #include "visorbus.h"
-#include "channel.h"
 #include "ultrainputreport.h"
 
 /* Keyboard channel {c73416d0-b0b8-44af-b304-9d2ae99f1b3d} */