Fix duplicate reference-style links
Fix duplicate reference-style links

davidpett/guides,bmac/guides,tleskin/guides,jkarsrud/guides,MarkMT/guides,skaterdav85/guides,skaterdav85/guides,skaterdav85/guides,MarkMT/guides,HeroicEric/guides,davidpett/guides,bmac/guides,davidpett/guides,ubuntuvim/guides,ubuntuvim/guides,MarkMT/guides,greyhwndz/guides,boztek/guides,bmac/guides,jkarsrud/guides,knownasilya/guides,ubuntuvim/guides,nicobot/guides,nicobot/guides,tleskin/guides,HeroicEric/guides,bmac/guides,HeroicEric/guides,knownasilya/guides,nicobot/guides,boztek/guides,boztek/guides,vikram7/guides,knownasilya/guides,greyhwndz/guides,skaterdav85/guides,greyhwndz/guides,jkarsrud/guides,jkarsrud/guides,vikram7/guides,knownasilya/guides,ubuntuvim/guides,MarkMT/guides,davidpett/guides,tleskin/guides,vikram7/guides