tracing: Remove definition of DEBUG in trace_mmiotrace.c

Defining DEBUG should only be done in development.
So remove DEBUG.

Link: https://lkml.kernel.org/r/20210115153348.131791-1-trix@redhat.comSigned-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/trace_mmiotrace.c

@@ -5,8 +5,6 @@
  * Copyright (C) 2008 Pekka Paalanen <pq@iki.fi>
  */
 
-#define DEBUG 1
-
 #include <linux/kernel.h>
 #include <linux/mmiotrace.h>
 #include <linux/pci.h>