refactor(many): remove redundant `scope` argument
refactor(many): remove redundant `scope` argument

Remove `id` as `scope` argument when isolating `Item`.

References https://github.com/cyclejs/cycle-examples/pull/3#discussion-diff-44910735

cyclejs/cycle-examples,cyclejs/cycle-examples,mikekidder/cycle-examples,mikekidder/cycle-examples,mikekidder/cycle-examples