mfd: Remove DEBUG defines from mc13xxx-core

DEBUG and VERBOSE_DEBUG are not used.
Reported-by: David Jander <david@protonic.nl>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

drivers/mfd/mc13xxx-core.c

@@ -9,8 +9,6 @@
  * the terms of the GNU General Public License version 2 as published by the
  * Free Software Foundation.
  */
-#define DEBUG
-#define VERBOSE_DEBUG
 
 #include <linux/slab.h>
 #include <linux/module.h>