Remove xrefs to obsolete bad144(8).

PR:             docs/17060
Submitted by:   Udo Erdelhoff <ue@nathan.ruhr.de>

sbin/badsect/badsect.8

@@ -45,9 +45,7 @@
 .Nm Badsect
 makes a file to contain a bad sector.  Normally, bad sectors
 are made inaccessible by the standard formatter, which provides
-a forwarding table for bad sectors to the driver; see
-.Xr bad144 8
-for details.
+a forwarding table for bad sectors to the driver.
 If a driver supports the bad blocking standard it is much preferable to
 use that method to isolate bad blocks, since the bad block forwarding
 makes the pack appear perfect, and such packs can then be copied with
@@ -112,7 +110,6 @@ A positive response will cause
 .Xr fsck 8
 to convert the inode to a regular file containing the bad block.
 .Sh SEE ALSO
-.Xr bad144 8 ,
 .Xr fsck 8
 .Sh DIAGNOSTICS
 .Nm Badsect

usr.sbin/diskpart/diskpart.8

@@ -68,17 +68,13 @@ with the
 option.
 .El
 .Pp
-On disks that use
-.Xr bad144 8
-type of
-bad-sector forwarding,
+On disks that use bad-sector forwarding,
 space is normally left in the last partition on the disk
 for a bad sector forwarding table, although this space
 is not reflected in the tables produced.  The space reserved
 is one track for the replicated copies of the table and
 sufficient tracks to hold a pool of 126 sectors to which bad sectors
-are mapped.  For more information, see 
-.Xr bad144 8 .
+are mapped.
 The
 .Fl s
 option is intended for other controllers which reserve some space at the end
@@ -128,7 +124,6 @@ If an unknown disk type is specified,
 will prompt for the required disk geometry information.
 .Sh SEE ALSO
 .Xr disktab 5 ,
-.Xr bad144 8
 .Sh BUGS
 Most default partition sizes are based on historical artifacts
 (like the RP06), and may result in unsatisfactory layouts.