basic + fundamental: Clean up includes

Split out of #37344.

src/basic/lock-util.c

@@ -1,13 +1,11 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
-#include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
 
 #include "alloc-util.h"
 #include "errno-util.h"
@@ -15,10 +13,10 @@
 #include "fs-util.h"
 #include "lock-util.h"
 #include "log.h"
-#include "macro.h"
-#include "missing_fcntl.h"
 #include "path-util.h"
 #include "process-util.h"
+#include "string-util.h"
+#include "time-util.h"
 
 int make_lock_file_at(int dir_fd, const char *p, int operation, LockFile *ret) {
         _cleanup_close_ int fd = -EBADF, dfd = -EBADF;