[Midnightbsd-cvs] src: bsd.own.mk: remove isdn 4 bsd

[laffer1 at midnightbsd.org]

Log Message:
-----------
remove isdn 4 bsd

Modified Files:
--------------
    src/share/mk:
        bsd.own.mk (r1.5 -> r1.6)
        (http://cvsweb.midnightbsd.org/src/share/mk/bsd.own.mk?r1=1.5&r2=1.6)