Revert "Limit searches at 500 per page"

People seem to like large slow search pages.

This reverts commit 42d4f35696852b2d72089dce86034792fdf4de8e.

Change-Id: I52ee602a81c1b6ec4e124008806271b0c74c581c
Merge "Revert "Limit searches at 500 per page""