Remove unnecessary components

[justinbmeyer]

app/home/home.js

app/header/header.js

app/order/history/history.js - Probably needs: canjs/canjs#1689

app/restaurant/details/details.js - Probably could use a <restaurant-model find-one="{}">

[daffl]

I think they are all dependent on canjs/canjs#1689 for importing their templates. I'll work this when @matthewp is ready with that issue

[matthewp]

• - app/home/home.js
• - app/header/header.js
• - app/order/history/history.js - Probably needs: Allow stache/system templates to import other templates and use as partials canjs/canjs#1689
• - app/restaurant/details/details.js - Probably could use a