Update no-NB.yml

Correct spelling mistake, translate untranslated strings.
remove `active_admin_flash_messages` helper

The Devise codebase no longer contains any reference to `timedout`, so
I think it’s safe to remove this.

& removed the overly specific CSS nesting
misc cleanup
restyle `add_format`
reorder download_format_links_helper.rb
style changes
remove vestigial `assigns` override
refactor `pretty_format`

changed to use `Module#include?` when detecting Mongoid
Merge pull request #3277 from rogerkk/patch-4

Update no-NB.yml