staging: comedi: mite: remove TOP_OF_PAGE() macro

This macro is not used. Remove it.
Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: NIan Abbott <abbotti@mev.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/mite.c

@@ -51,8 +51,6 @@
 
 #include "mite.h"
 
-#define TOP_OF_PAGE(x) ((x)|(~(PAGE_MASK)))
-
 struct mite_struct *mite_alloc(struct pci_dev *pcidev)
 {
 	struct mite_struct *mite;