Revert "Fix trust banner acceptance tests"

This reverts commit 8b981fd903de9429631d458ce9c50ca27b0a414a.
Revert "Restructure the trust banner and remove unused assets/variables"

This reverts commit 648d74ebea224c71dc7ea36ba614d673af05b5b7.
Revert "Restyle the directory on the homepage"

This reverts commit ce1a5eedac8f5942a577147aeac8aa91426dec07.

Conflicts:
	app/assets/stylesheets/layout/page_specific/_homepage.scss
Revert "Fix promo structure on mobile"

This reverts commit 3cde228cdcb0226576d27972582189e87cf7c36c.

Conflicts:
	app/assets/stylesheets/layout/page_specific/_homepage.scss