Run bootclean() from bootmisc plugin instead

This patch moves both the definition and the call to bootclean() from
finit.c to the bootmisc plugin.  We want to call bootclean() *after*
any /run and /var file systems have been mounted.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

finit.c

@@ -25,7 +25,6 @@
 #include "config.h"		/* Generated by configure script */
 
 #include <ctype.h>
-#include <ftw.h>
 #include <glob.h>
 #include <dirent.h>
 #ifdef HAVE_FSTAB_H
@@ -118,29 +117,6 @@ static int fsck(int pass)
 	return 0;
 }
 
-static int do_clean(const char *fpath, const struct stat *UNUSED(sb), int UNUSED(tflag), struct FTW *ftwbuf)
-{
-	if (ftwbuf->level == 0)
-		return 1;
-
-	(void)remove(fpath);
-
-	return 0;
-}
-
-static void bootclean(void)
-{
-	char *dir[] = {
-		"/tmp/",
-		"/var/run/",
-		"/var/lock/",
-		NULL
-	};
-
-	for (int i = 0; dir[i]; i++)
-		nftw(dir[i], do_clean, 20, FTW_DEPTH);
-}
-
 static void networking(void)
 {
 	size_t i;
@@ -401,9 +377,6 @@ int main(int argc, char* argv[])
 	run("/sbin/swapon -ea");
 	umask(0022);
 
-	/* Cleanup of stale files, if any still linger on. */
-	bootclean();
-
 	/* Base FS up, enable standard SysV init signals */
 	sig_setup(&loop);