Revert "Merge branch 'gh-pages' of https://github.com/OpenClassKnowledgeBase/UIMockup into gh-pages"

This reverts commit 3a89bbffa78f5e906729a3fb083ca0aec7ede84d, reversing
changes made to e9cf56d3b22a15dc4e7d864857c22211d6115367.