Remove unnecessary and faulty fz_dropobj.
Remove unnecessary and faulty fz_dropobj.

darcs-hash:20100120115358-f546f-99fd04f83f9f8267845c30d6b91d7c76a1adee71.gz

nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf,nqv/mupdf