[Midnightbsd-cvs] mports: sites.mk: remove invalid mirror

[laffer1 at midnightbsd.org]

Log Message:
-----------
remove invalid mirror

Modified Files:
--------------
    mports/Mk/components:
        sites.mk (r1.20 -> r1.21)
        (http://cvsweb.midnightbsd.org/mports/Mk/components/sites.mk?r1=1.20&r2=1.21)