- Mark SUP_UPDATE as deprecated in make.conf(5), providing

instructions to use SVN_UPDATE or freebsd-update(8).

- While here, remove bogus NO_WWWUPDATE.

MFC after:	3 days

share/man/man5/make.conf.5

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 14, 2012
+.Dd January 21, 2013
 .Dt MAKE.CONF 5
 .Os
 .Sh NAME
@@ -255,10 +255,6 @@ Set this to not update the doc tree during
 .Pq Vt bool
 Set this to not update the ports tree during
 .Dq Li "make update" .
-.It Va NO_WWWUPDATE
-.Pq Vt bool
-Set this to not update the www tree during
-.Dq Li "make update" .
 .It Va SUP
 .Pq Vt str
 The location of the
@@ -309,6 +305,11 @@ and
 .Pa ports
 trees with
 .Dq Li "make update" .
+This option is deprecated.
+Please use
+.Va SVN_UPDATE
+or
+.Xr freebsd-update 8 .
 .It Va SVN_UPDATE
 .Pq Vt bool
 Set this to use