Revert "Duplicate taxonomy term view pages in /admin/farm/areas/% path."

This reverts commit fd1bab04ffc2aa7afd1bbc21877ecab0c5403f52.
Polish Area display fields.
Provide a Page Manager override for Areas.
Link areas in Views to their term pages.
Change all area log paths from /admin/farm/areas/[tid]/* to /taxonomy/term/[tid]/*.