Remove extra $fpath from npm postinstall fail instructions
Remove extra $fpath from npm postinstall fail instructions

We already include the full contents of `$fpath` due to `fpath+=()`.

joshuarubin/dotfiles,forivall/pure,supercrabtree/pure,sindresorhus/pure,joshuarubin/dotfiles,kgrz/pure,joshuarubin/dotfiles,joshuarubin/dotfiles,jaredru/zsh-pure,mafredri/pure