tweak to hide hero section for plain pages without thumbnails
tweak to hide hero section for plain pages without thumbnails

I'm working on a new homepage, and I want to minimize the theme customizations so that nearly all the page can be controlled from the page body. This is a workaround to get rid of the unwanted hero section.
WikiEducationFoundation/WikiEduWebsite2015,WikiEducationFoundation/WikiEduWebsite2015,WikiEducationFoundation/WikiEduWebsite2015