Set `window.Cookies` to undefined
Set `window.Cookies` to undefined

As mentioned in #46, properties of the `window` object can't be deleted in IE8, and therefore should be set to undefined.
meteorhacks/fast-render,AnthonyAstige/fast-render,avalanche1/fast-render,NIKKTTO/fast-render,modulexcite/fast-render,kadirahq/fast-render,readFOLD/fast-render,joegoldbeck/fast-render