rlogind Makefile fixed for OpenBSD 7.1

--- Makefile.ori	2001-01-28 20:34:31.000000000 +0100
+++ Makefile	2022-07-13 15:23:07.001925994 +0200
@@ -8,12 +8,4 @@

 .include <bsd.own.mk>	# For KERBEROS

-.if (${KERBEROS:L} == "yes")
-SRCS=	rlogind.c des_rw.c
-.PATH:	${.CURDIR}/../../usr.bin/rlogin
-CFLAGS+=-DKERBEROS
-DPADD+=	${LIBKRB} ${LIBKRB}
-LDADD+=	-lkrb -ldes
-.endif
-
 .include <bsd.prog.mk>