vn(4) minor cleanup

[Csaba Henk]

Stale comment and duplicate header inclusion removed.

Regards,
Csaba

diff -r b2691ba1206a sys/dev/disk/vn/vn.c
--- a/sys/dev/disk/vn/vn.c	Mon Mar 13 14:36:46 2006 +0000
+++ b/sys/dev/disk/vn/vn.c	Tue Mar 14 14:03:28 2006 +0100
@@ -48,17 +48,13 @@
  * Block/character interface to a vnode.  Allows one to treat a file
  * as a disk (e.g. build a filesystem in it, mount it, etc.).
  *
- * NOTE 1: This uses the VOP_BMAP/VOP_STRATEGY interface to the vnode
- * instead of a simple VOP_RDWR.  We do this to avoid distorting the
- * local buffer cache.
- *
- * NOTE 2: There is a security issue involved with this driver.
+ * NOTE 1: There is a security issue involved with this driver.
  * Once mounted all access to the contents of the "mapped" file via
  * the special file is controlled by the permissions on the special
  * file, the protection of the mapped file is ignored (effectively,
  * by using root credentials in all transactions).
  *
- * NOTE 3: Doesn't interact with leases, should it?
+ * NOTE 2: Doesn't interact with leases, should it?
  */
 
 #include <sys/param.h>
@@ -75,7 +71,6 @@
 #include <sys/disklabel.h>
 #include <sys/diskslice.h>
 #include <sys/stat.h>
-#include <sys/conf.h>
 #include <sys/module.h>
 #include <sys/vnioctl.h>