node/lib/readline: roll back to older version that doesn't use generator
node/lib/readline: roll back to older version that doesn't use generator

specifically aed6bce9064915bda28237b1a5fbf7fcdbf439ef^

flat1101/browsix,b1101/browsix,flat1101/browsix,b1101/browsix,b1101/browsix,flat1101/browsix,b1101/browsix,flat1101/browsix