Revert "Merge pull request #655 from alphagov/search-pagination"

This reverts commit 48e981ac52ee8f9a2577609f6c95feebad90263d, reversing
changes made to 86714d555f37216a29b2c0a69e8494e9944da812.
Merge pull request #658 from alphagov/revert-pagination-changes

Revert "Merge pull request #655 from alphagov/search-pagination"