Update page-landing-page.php

Changed the header/intro section to be a full column and removed the right column (containing the Share & Print buttons and Featured Promotion). The Featured Promotion option needs to be removed when editing a Page.
Merge branch 'patch-18' of https://github.com/Kevincredible/pier-1 into Kevincredible-patch-18
Merge branch 'Kevincredible-patch-18'