envato/rails_4_session_flash_backport — pull request #4 by irakeshraut (2014-02-12 04:52:27+00:00)
Title: implement delete to also delete the string key

Ticket : https://envato.lighthouseapp.com/projects/5394-marketplace/tickets/6051-sessiondelete-doesnt-work-with-symbol-keys-in-rails-2#ticket-6051-2

Paired with @lukearndt

This implements Zendesk's fix for this problem: