misc: remove log references

The static-* code does not depend on the log subsystem so it should not
include the header nor define some internal logging helpers.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>

src/static_misc.c

@@ -35,11 +35,8 @@
 #include <stdlib.h>
 #include <string.h>
 #include "htable.h"
-#include "log.h"
 #include "static_misc.h"
 
-#define LOG_SUBSYSTEM "misc"
-
 #define RING_SIZE 512
 
 struct ring_entry {