AO3-6473 Remove unused/unnecessary code from ApplicationController #3247

Job	Run time
rake db:otwseed	1m 44s
rake db:otwseed	1m 8s
rspec spec/controllers	1m 6s
rspec spec/controllers	1m 4s
rspec spec/models	1m 45s
rspec spec/models	1m 2s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	1m 26s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	1m 18s
cucumber features/admins	1m 52s
cucumber features/admins	1m 1s
cucumber features/bookmarks	1m 8s
cucumber features/bookmarks	1m 4s
cucumber features/collections	1m 5s
cucumber features/collections	1m 10s
cucumber features/comments_and_kudos	1m 11s
cucumber features/comments_and_kudos	1m 9s
cucumber features/gift_exchanges	1m 9s
cucumber features/gift_exchanges	1m 0s
cucumber features/importing	1m 26s
cucumber features/importing	1m 3s
cucumber features/other_a	1m 12s
cucumber features/other_a	1m 5s
cucumber features/other_b	1m 25s
cucumber features/other_b	1m 10s
cucumber features/prompt_memes_a	1m 11s
cucumber features/prompt_memes_a	1m 11s
cucumber features/prompt_memes_b	1m 3s
cucumber features/prompt_memes_b	1m 15s
cucumber features/prompt_memes_c	1m 4s
cucumber features/prompt_memes_c	1m 4s
cucumber features/search	1m 23s
cucumber features/search	1m 11s
cucumber features/tag_sets	1m 3s
cucumber features/tag_sets	1m 9s
cucumber features/tags_and_wrangling	1m 53s
cucumber features/tags_and_wrangling	1m 11s
cucumber features/users	1m 28s
cucumber features/users	1m 11s
cucumber features/works	2m 6s
cucumber features/works	2m 28s
	51m 34s

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