Removed old unused pages.

References #14612
Added Other Resources accordion section for Species and Sites. Moved the existing links from quick facts to the section.

Fixed sorting for Site species list.

References #18633
Added default abstract images for species that did not have any.
References #17992
Fix for the new SDF parser to add the marine area and site type fields.
Added the details on Sites Designation info section.
References #18631
Added "No" icon for Birds/Habitats.
References #18631
Demo for External Data queries displayed as sub-accordion in the Species Other resources section.

References #18631