Remove duplicated flash notice from app/controllers/spree/user_sessions_controller.rb
Remove duplicated flash notice from app/controllers/spree/user_sessions_controller.rb

Remove flash duplicattion in favor of already existing devise default flash notice

Co-authored-by: Matt-Yorkley <52dd53e39aabc3ad9893bf4bdc49ac9095b2e246@users.noreply.github.com>
mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,Matt-Yorkley/openfoodnetwork,mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,mkllnk/openfoodnetwork,Matt-Yorkley/openfoodnetwork,Matt-Yorkley/openfoodnetwork,Matt-Yorkley/openfoodnetwork,lin-d-hop/openfoodnetwork,openfoodfoundation/openfoodnetwork,lin-d-hop/openfoodnetwork,mkllnk/openfoodnetwork,openfoodfoundation/openfoodnetwork,lin-d-hop/openfoodnetwork,lin-d-hop/openfoodnetwork