Exemplo de uso do 'Object.keys'

index.js

const form = {
  name: { value: 'Francisco Chaves' },
  email: { value: 'contato@franciscochaves.com' },
  github: { value: 'https://github.com/franciscochaves' },
  site: { value: 'https://franciscochaves.com.br' },
  bio: { value: 'Software Engineer' },
  avatar: { value: 'https://avatars.githubusercontent.com/u/13373569' },
};

const result = Object.keys(form).reduce((acc, key) => {
  acc[key] = form[key].value;
  return acc;
}, {});

console.log(result);