cd images @129.13.126.5: no powerpc

[Andreas Jellinghaus <aj@dungeon.inka.de>]

tried to create also powerpc images.
but my hard disk for this stuff is "only" 25 GB,
and that doesn't seem to be enough for 
potato+slink+sid and i386+source+sparc+powerpc.

so again i will drop sid and powerpc.

andreas