Kill old Kerberos password-changing support:

1) It was export-controlled.
2) It used some ad-hoc protocol invented by Berkeley in ignorance of the
   standard MIT distribution's way of doing it (which makes it useless
   to most people).

This should be fixed once we have `kadmin'/`kadmind'.

usr.bin/passwd/Makefile

@@ -1,5 +1,5 @@
 # From:	@(#)Makefile	8.3 (Berkeley) 4/2/94
-# $Id: Makefile,v 1.4 1994/09/29 13:05:44 csgr Exp $
+# $Id: Makefile,v 1.5 1994/11/20 23:21:06 wollman Exp $
 
 PROG=	passwd
 SRCS=	local_passwd.c passwd.c pw_copy.c pw_util.c
@@ -9,17 +9,6 @@ LDADD=	-lcrypt
 CFLAGS+=-DCRYPT -I${.CURDIR} -I${.CURDIR}/../../usr.sbin/vipw \
 	-I${.CURDIR}/../../usr.bin/chpass
 
-
-.if exists(${DESTDIR}/usr/lib/libkrb.a) && (defined(MAKE_KERBEROS) \
-	|| defined(MAKE_EBONES))
-SRCS+=	krb_passwd.c
-CFLAGS+=-DKERBEROS
-LDADD+=-lkrb -ldes
-DPADD=	${LIBKRB} ${LIBDES}
-DISTRIBUTION=	krb
-.endif
-
-
 BINOWN=	root
 BINMODE=4555
 INSTALLFLAGS=-fschg