removed license info for dokuwiki.org content

Ignore-this: 57fff85207a352f67a5c5acc9aa7ec99
Since this info now is given at the footer of each page it doesn't make sense
to include it into the released file anymore.

darcs-hash:20090526112917-7ad00-917d3c40c18fa98a61747d766637049d26cae77e.gz