Make scribus build on Bitrig.

with help from pedro@
Remove sysutils/tphdisk.

ok jcv@
Remove sysutils/libretto-config.

ok jcv@
Remove the x11/ogle,altivec flavor.

ok jcv@
Remove the multimedia/transcode,altivec flavor.

ok jcv@
Remove misc/tpwireless.

ok jcv@
Remove sysutils/wdsetup.

ok jcv@
Remove security/l0phtcrack.

ok jcv@
Remove lang/unicon.

ok jcv@
Add opus to WANTLIB to turn it into a runtime dependency.