Remove absolute link in readme.
Remove absolute link in readme.

joshuarubin/dotfiles,tarruda/zsh-autosuggestions,joshuarubin/dotfiles,zsh-users/zsh-autosuggestions,ascenator/zsh-autosuggestions,joshuarubin/dotfiles,joshuarubin/dotfiles,zsh-users/zsh-autosuggestions