Remove Layer UrlDownloadFieldName property as it is no longer needed for BODAAC.
Removing all references to the wfsLayer property of Layer.
Remove references to WFS Layer picker script.

Also removed 'Data download' section of Layer edit page as all of those fields have now been removed!
Re-adding test which was removed by accident.
Missing semicolons
Merge pull request #1284 from aodn/remove_bodaac_server-side_code

Remove BODAAC server side code