staging: line6/config.h: Remove CHECKPOINT macro

Kill unused debugging macro CHECKPOINT
Signed-off-by: Johannes Thumshirn <morbidrsa@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/line6/config.h

@@ -33,11 +33,6 @@
 			      DO_DUMP_MIDI_SEND || DO_DUMP_MIDI_RECEIVE)
 #define CREATE_RAW_FILE      0
 
-#if DO_DEBUG_MESSAGES
-#define CHECKPOINT printk(KERN_INFO "line6usb: %s (%s:%d)\n", \
-			  __func__, __FILE__, __LINE__)
-#endif
-
 #if DO_DEBUG_MESSAGES
 #define DEBUG_MESSAGES(x) (x)
 #else