AO3-6691 Remove dot from link in custom cop #3913

Job	Run time
rake db:otwseed	1m 13s
rspec spec/controllers	10m 26s
rspec spec/models	5m 30s
rspec --exclude-pattern 'spec/{controllers,models}/*/.rb'	5m 11s
cucumber features/admins	5m 3s
cucumber features/bookmarks	4m 29s
cucumber features/collections	5m 44s
cucumber features/comments_and_kudos	6m 6s
cucumber features/gift_exchanges	7m 49s
cucumber features/importing	2m 37s
cucumber features/other_a	10m 36s
cucumber features/other_b	6m 31s
cucumber features/prompt_memes_a	4m 9s
cucumber features/prompt_memes_b	3m 44s
cucumber features/prompt_memes_c	5m 5s
cucumber features/search	5m 58s
cucumber features/tag_sets	3m 5s
cucumber features/tags_and_wrangling	5m 53s
cucumber features/users	4m 35s
cucumber features/works	12m 48s
	1h 56m 32s

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