Removed drosdel-gff source.
Removed drosdel-gff source.



Former-commit-id: 6726e861aaf71ad27e96c0a35629bc97bbe5f8c7
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine