Disable filtering of detections by species for now.

It'll come back in as one of the last things once DetectionSurgery has been removed.
Joining detections to surgeris "on-the-fly".

One more step on the way to removing the `DetectionSurgery` table in order to improve data consistency and performance.
Redefined the 'detection_extract_view', and its dependencies, without the `detectionSurgery` "join" table.
Merge pull request #137 from aodn/remove_det_surgery

Remove det surgery