basic: Remove stdio-util.h include from log.h

src/basic/format-ifname.c

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include "format-ifname.h"
+#include "stdio-util.h"
 #include "string-util.h"
 
 assert_cc(STRLEN("%") + DECIMAL_STR_MAX(int) <= IF_NAMESIZE);

src/basic/log.h

@@ -8,7 +8,6 @@
 #include <syslog.h>
 
 #include "macro.h"
-#include "stdio-util.h"
 
 /* Some structures we reference but don't want to pull in headers for */
 struct iovec;