staging: comedi: ni_pcidio: remove custom DPRINTK macro

The comedi core defines a DPRINTK macro in comedidev.h. Use that macro
instead of defining a private version in this driver.

Also, remove the DEBUG define since it was only used to enable the
DPRINTK macro.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/ni_pcidio.c

@@ -47,7 +47,6 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org
 */
 
 #define USE_DMA
-/* #define DEBUG 1 */
 /* #define DEBUG_FLAGS */
 
 #include <linux/module.h>
@@ -60,13 +59,6 @@ comedi_nonfree_firmware tarball available from http://www.comedi.org
 #include "comedi_fc.h"
 #include "mite.h"
 
-#undef DPRINTK
-#ifdef DEBUG
-#define DPRINTK(format, args...) pr_debug(format, ## args)
-#else
-#define DPRINTK(format, args...) do { } while (0)
-#endif
-
 #define PCI_DIO_SIZE 4096
 #define PCI_MITE_SIZE 4096