Revert "Merge branch 'staging' of https://github.com/GSA/data.gov into HEAD"

This reverts commit 2c8f61467bd0a02ef664273888102e4e13e36932, reversing
changes made to 044b02f2f3b71ad5876c4739eeb826e8ebc9bf19.

Conflicts:
	themes/roots-nextdatagov/assets/css/main.min.css
	themes/roots-nextdatagov/assets/less/app.less
	themes/roots-nextdatagov/front-page.php
	themes/roots-nextdatagov/lib/scripts.php
	themes/roots-nextdatagov/templates/header-top-navbar.php
	themes/roots-nextdatagov/templates/searchform.php