Prune 2 obsolete ports

FreeBSD Ports maintainers have already deleted the following:
  lang/racket-textual
  mail/pop-before-smtp
Tweak audio/gnustep-cdplayer version 0.5.1
Tweak graphics/giblib version 1.2.4_11
Tweak x11-drivers/xf86-input-mouse version 1.9.0_1
Tweak devel/coccinelle version 1.0.0.r18
Tweak java/jakarta-commons-codec version 1.9
Tweak print/cups-pstoraster version 8.15.4_7
Tweak net/samba4 version 4.0.13
Tweak astro/gpsman version 6.4.4.2
Tweak devel/sabre version 20100501
Tweak textproc/ocaml-pxp version 1.2.4
Tweak deskutils/preferences version 1.2.0_4
Tweak games/freedink-engine version 1.08.20121209
Tweak devel/py-gobject version 2.28.6_3
Tweak textproc/libkmfl version 0.9.9_1
Tweak databases/sqlclient version 1.7.0
Tweak devel/maven2 version 2.2.1_1
Tweak x11/libdmx version 1.1.3
Update games/py-fife to version 0.3.5
Tweak print/texlive-base version 20120701_8