remove Ubuntu font fallback which was for testing only
remove Ubuntu font fallback which was for testing only

ncsu-geoforall-lab/tangible-landscape-talk,ncsu-geoforall-lab/tangible-landscape-talk,ncsu-osgeorel/lecture-slides-template,ncsu-osgeorel/lecture-slides-template,ncsu-osgeorel/lecture-slides-template,ncsu-geoforall-lab/tangible-landscape-talk,ncsu-geoforall-lab/tangible-landscape-talk,ncsu-osgeorel/lecture-slides-template