install.sh: don't need to install vim-plug!

install.sh

@@ -3,9 +3,3 @@ set -e
 
 stow $PWD/base
 git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
-if command -v nvim >/dev/null ; then
-    echo "Installing Neovim plugins..."
-    curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
-       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
-    nvim +'PlugInstall --sync' +'UpdateRemotePlugins' +qa
-fi