staging: comedi: rtd520: remove RtdUtcCounterGet macro

This macro uses the 'devpriv' macro which relies on a local variable
having a specific name. It's also not used. Remove the macro.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/rtd520.c

@@ -406,11 +406,6 @@ struct rtdPrivate {
 
 /* Macros to access registers */
 
-/* User Timer/Counter (8254) */
-#define RtdUtcCounterGet(dev, n) \
-	readb(devpriv->las0 \
-		+ ((n <= 0) ? LAS0_UTC0 : ((1 == n) ? LAS0_UTC1 : LAS0_UTC2)))
-
 #define RtdUtcCounterPut(dev, n, v) \
 	writeb((v) & 0xff, devpriv->las0 \
 		+ ((n <= 0) ? LAS0_UTC0 : ((1 == n) ? LAS0_UTC1 : LAS0_UTC2)))