Remove links on organisations in search results

These links often went to a target which didn't have the relevant
anchor, they don't get much usage, and we want to make things simpler
here so we can iterate the organisation pages more easily.

https://www.pivotaltracker.com/story/show/66652478
Merge pull request #632 from alphagov/remove-search-jump-links-from-organisations

Remove links on organisations in search results