Likes: to never show on search results

Likes button isno hide on excerpt from #484,
but... it makes dobul likes button (one is no wortk!) when enable on archives&search results.

Example
![screenshot_2014-12-21-03-06-26](https://cloud.githubusercontent.com/assets/5253290/5515870/ec08f886-88c2-11e4-9be6-63b4d8a77a93.png)

Fixed
![screenshot_2014-12-21-03-13-22](https://cloud.githubusercontent.com/assets/5253290/5515872/fc739fa0-88c2-11e4-8f4d-fb5e42517b2b.png)