log: Remove print_data() from log header

It is in util.c and declaration IS in util.h
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cr-exec.c

@@ -6,7 +6,7 @@
 #include "pstree.h"
 #include "parasite-syscall.h"
 #include "vma.h"
-#include "log.h"
+#include "criu-log.h"
 #include "util.h"
 #include "kerndat.h"
 

criu/include/log.h

@@ -30,8 +30,6 @@ extern int write_pidfile(int pid);
 
 #define DEFAULT_LOG_FILENAME "criu.log"
 
-extern void print_data(unsigned long addr, unsigned char *data, size_t size);
-
 static inline int pr_quelled(unsigned int loglevel)
 {
 	return log_get_loglevel() < loglevel && loglevel != LOG_MSG;