made collection show not have a redundant title and description

On the Collection show page the title and description are displayed, then a list of most of the collections attributes--including the title and description again. This removes the redundant title and description.

PSU issue: https://scm.dlt.psu.edu/issues/9468
I think `- [:date_modified, :date_uploaded]` may be deleted here, since those symbols are not in the array returned by `#terms_for_display`. (They were once, a while back, so this is cruft AFAIK.)