async function _deleteRemote({ fs, gitdir, remote }) {
  const config = await GitConfigManager.get({ fs, gitdir })
  await config.deleteSection('remote', remote)
  await GitConfigManager.save({ fs, gitdir, config })
}
@param {Object} args
@param {import('../models/FileSystem.js').FileSystem} args.fs
@param {string} args.gitdir
@param {string} args.remote

@returns {Promise<void>}