Remove the following users which became obsolete:

* _afs: arla/nnpfs got disabled then removed long ago
* _kdc, _kadmin: these were added 10 years ago but never used for
anything afaict
ok dcoppa@ beck@

src/etc/ftpusers

@@ -1,4 +1,4 @@
-#	$OpenBSD: ftpusers,v 1.45 2013/08/09 16:00:53 ajacoutot Exp $
+#	$OpenBSD: ftpusers,v 1.46 2013/08/19 16:31:18 ajacoutot Exp $
 #
 # list of users disallowed any ftp access.
 # read by ftpd(8).
@@ -21,8 +21,6 @@ _rusersd
 _fingerd
 _x11
 _spamd
-_kdc
-_kadmin
 _isakmpd
 _syslogd
 _pflogd
@@ -32,7 +30,6 @@ _dhcp
 _mopd
 _tftpd
 _rbootd
-_afs
 _ppp
 _ntp
 _ftp

src/etc/group

@@ -23,8 +23,6 @@ _fingerd:*:33:
 _sshagnt:*:34:
 _x11:*:35:
 utmp:*:45:
-_kdc:*:59:
-_kadmin:*:60:
 _lkm:*:61:
 _spamd:*:62:
 _radius:*:63:
@@ -45,7 +43,6 @@ _dhcp:*:77:
 _mopd:*:78:
 _tftpd:*:79:
 _rbootd:*:80:
-_afs:*:81:
 _ppp:*:82:
 _ntp:*:83:
 _ftp:*:84:

src/etc/mail/aliases

@@ -1,5 +1,5 @@
 #
-#	$OpenBSD: aliases,v 1.38 2013/08/09 16:00:53 ajacoutot Exp $
+#	$OpenBSD: aliases,v 1.39 2013/08/19 16:31:18 ajacoutot Exp $
 #
 #  Aliases in this file will NOT be expanded in the header from
 #  Mail, but WILL be visible over networks or from /usr/libexec/mail.local.
@@ -21,7 +21,6 @@ uucp:	root
 www:	root
 
 # Redirections for pseudo accounts that should not receive mail
-_afs: /dev/null
 _bgpd: /dev/null
 _dhcp: /dev/null
 _dvmrpd: /dev/null
@@ -32,8 +31,6 @@ _identd: /dev/null
 _iked: /dev/null
 _isakmpd: /dev/null
 _iscsid: /dev/null
-_kadmin: /dev/null
-_kdc: /dev/null
 _ldapd: /dev/null
 _ldpd: /dev/null
 _mopd: /dev/null

src/etc/master.passwd

@@ -11,8 +11,6 @@ _rstatd:*:30:30::0:0:rpc.rstatd:/var/empty:/sbin/nologin
 _rusersd:*:32:32::0:0:rpc.rusersd:/var/empty:/sbin/nologin
 _fingerd:*:33:33::0:0:fingerd:/var/empty:/sbin/nologin
 _x11:*:35:35::0:0:X Server:/var/empty:/sbin/nologin
-_kdc:*:59:59::0:0:Kerberos Server:/var/empty:/sbin/nologin
-_kadmin:*:60:60::0:0:Kerberos Admin Server:/var/empty:/sbin/nologin
 _spamd:*:62:62::0:0:Spam Daemon:/var/empty:/sbin/nologin
 uucp:*:66:1::0:0:UNIX-to-UNIX Copy:/var/spool/uucppublic:/sbin/nologin
 www:*:67:67::0:0:HTTP Server:/var/www:/sbin/nologin
@@ -27,7 +25,6 @@ _dhcp:*:77:77::0:0:DHCP programs:/var/empty:/sbin/nologin
 _mopd:*:78:78::0:0:MOP Daemon:/var/empty:/sbin/nologin
 _tftpd:*:79:79::0:0:TFTP Daemon:/var/empty:/sbin/nologin
 _rbootd:*:80:80::0:0:rbootd Daemon:/var/empty:/sbin/nologin
-_afs:*:81:81::0:0:afs Daemon:/var/empty:/sbin/nologin
 _ppp:*:82:82::0:0:PPP utilities:/var/empty:/sbin/nologin
 _ntp:*:83:83::0:0:NTP Daemon:/var/empty:/sbin/nologin
 _ftp:*:84:84::0:0:FTP Daemon:/var/empty:/sbin/nologin