Godeps/_workspace/src/gopkg.in/mgo.v2/gridfs.go
func (gfs *GridFS) Remove(name string) (err error) {
	iter := gfs.Files.Find(bson.M{"filename": name}).Select(bson.M{"_id": 1}).Iter()
	var doc gfsDocId
	for iter.Next(&doc) {
		if e := gfs.RemoveId(doc.Id); e != nil {
			err = e
		}
	}
	if err == nil {
		err = iter.Close()
	}
	return err
}
func (gfs *GridFS) Remove(name string) (err error) {
	iter := gfs.Files.Find(bson.M{"filename": name}).Select(bson.M{"_id": 1}).Iter()
	var doc gfsDocId
	for iter.Next(&doc) {
		if e := gfs.RemoveId(doc.Id); e != nil {
			err = e
		}
	}
	if err == nil {
		err = iter.Close()
	}
	return err
}
// Remove deletes all files with the provided name from the GridFS.